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don't add redundant types to unions to prevent unnecessary unknown/any errors #447

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don't add redundant types to unions to prevent unnecessary unknown/any errors #447

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fixes #71

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@DetachHead DetachHead force-pushed the fix-unknown-error-after-narrowing branch from a1c2a7f to ea424af Compare June 25, 2024 12:56
@DetachHead DetachHead changed the title don't add narrowed type from if statement to union after the statement is over because it has no effect other than creating unknown/any errors unnecessarily don't add redundant types to unions to prevent unnecessary unknown/any errors Jun 25, 2024
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@DetachHead DetachHead force-pushed the fix-unknown-error-after-narrowing branch 2 times, most recently from d519876 to 4289d78 Compare June 29, 2024 03:06
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@DetachHead DetachHead force-pushed the fix-unknown-error-after-narrowing branch from 4289d78 to d779f74 Compare June 29, 2024 04:53
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@DetachHead DetachHead force-pushed the fix-unknown-error-after-narrowing branch from e95fd17 to 3a9ab80 Compare June 30, 2024 04:21
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@DetachHead DetachHead force-pushed the fix-unknown-error-after-narrowing branch from 3a9ab80 to 43d9ac5 Compare June 30, 2024 06:32
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Diff from mypy_primer, showing the effect of this PR on open source code:

pyp (https://github.com/hauntsaninja/pyp)
-   /tmp/mypy_primer/projects/pyp/pyp.py:39:15 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/pyp/pyp.py:39:15 - error: Argument type is unknown
-     Argument corresponds to parameter "values" in function "print"
+     Argument corresponds to parameter "values" in function "print" (reportUnknownArgumentType)
-     Argument type is "Unknown | str" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/pyp/tests/test_pyp.py:50:25 - error: "old_stdin" is possibly unbound (reportPossiblyUnboundVariable)
+   /tmp/mypy_primer/projects/pyp/tests/test_pyp.py:50:25 - error: "old_stdin" is unbound (reportUnboundVariable)

alectryon (https://github.com/cpitclaudel/alectryon)
-     Type of "alectryon_state" is "(document: Unknown) -> (AlectryonState | Unknown)" (reportUnknownVariableType)
+     Type of "alectryon_state" is "(document: Unknown) -> Unknown" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:155:5 - error: Type of "embedded_assets" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:155:5 - error: Type of "embedded_assets" is Any (reportAny)
-     Type of "embedded_assets" is "Any | list[Unknown]" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:155:23 - error: Type of "embedded_assets" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:155:23 - error: Type of "embedded_assets" is Any (reportAny)
-     Type of "embedded_assets" is "Any | list[Unknown]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:670:37 - error: Type of "point" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:670:37 - error: Type of "point" is unknown (reportUnknownMemberType)
-     Type of "point" is "Unknown | int" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:670:37 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:670:37 - error: Argument type is unknown
-     Argument corresponds to parameter "args" in function "format"
+     Argument corresponds to parameter "args" in function "format" (reportUnknownArgumentType)
-     Argument type is "Unknown | int" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:881:5 - error: Type of "fname" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:881:5 - error: Type of "fname" is unknown (reportUnknownVariableType)
-     Type of "fname" is "Unknown | str" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:881:30 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:881:30 - error: Argument type is unknown
-     Argument corresponds to parameter "p" in function "basename"
+     Argument corresponds to parameter "p" in function "basename" (reportUnknownArgumentType)
-     Argument type is "Unknown | Literal['-']" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:902:13 - error: Type of "refpath" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:902:13 - error: Type of "refpath" is unknown (reportUnknownVariableType)
-     Type of "refpath" is "Unknown | Literal['-']" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:903:55 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:903:55 - error: Argument type is unknown
-     Argument corresponds to parameter "p" in function "dirname"
+     Argument corresponds to parameter "p" in function "dirname" (reportUnknownArgumentType)
-     Argument type is "Unknown | str" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:903:71 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:903:71 - error: Argument type is unknown
-     Argument corresponds to parameter "path" in function "abspath"
+     Argument corresponds to parameter "path" in function "abspath" (reportUnknownArgumentType)
-     Argument type is "Unknown | Literal['-']" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:905:17 - error: No overloads for "abspath" match the provided arguments (reportCallIssue)
-   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:905:33 - error: Argument of type "Unknown | str | ExitCode | list[Unknown] | None" cannot be assigned to parameter "path" of type "AnyStr@abspath" in function "abspath"
-     Type "Unknown | str | ExitCode | list[Unknown] | None" is incompatible with constrained type variable "AnyStr" (reportArgumentType)
+   /tmp/mypy_primer/projects/alectryon/alectryon/cli.py:905:33 - error: Argument type is unknown
+     Argument corresponds to parameter "path" in function "abspath" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:56:26 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:56:26 - error: Argument type is unknown
-     Argument corresponds to parameter "object" in function "__new__"
+     Argument corresponds to parameter "object" in function "__new__" (reportUnknownArgumentType)
-     Argument type is "str | Unknown" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:274:9 - error: Return type, "list[Unknown]", is partially unknown (reportUnknownParameterType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:275:12 - error: Type of "_bol_offsets" is partially unknown
-     Type of "_bol_offsets" is "list[Unknown] | None" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:277:13 - error: Type of "matches" is unknown (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:277:23 - error: No overloads for "finditer" match the provided arguments (reportCallIssue)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:277:35 - error: Argument of type "Literal['^', b"^"]" cannot be assigned to parameter "pattern" of type "str | Pattern[str]" in function "finditer" (reportArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:277:40 - error: Type of "contents" is partially unknown
-     Type of "contents" is "str | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:278:13 - error: Type of "_bol_offsets" is partially unknown
-     Type of "_bol_offsets" is "list[Unknown]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:278:34 - error: Type of "start" is unknown (reportUnknownMemberType)
+   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:277:40 - error: Type of "contents" is unknown (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:278:48 - error: Type of "m" is unknown (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:279:16 - error: Type of "_bol_offsets" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:277:40 - error: Argument type is unknown
+     Argument corresponds to parameter "string" in function "finditer" (reportUnknownArgumentType)
-     Type of "_bol_offsets" is "list[Unknown]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:279:16 - error: Return type, "list[Unknown]", is partially unknown (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:283:37 - error: Type of "bol_offsets" is partially unknown
-     Type of "bol_offsets" is "list[Unknown]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:283:37 - error: Argument type is partially unknown
-     Argument corresponds to parameter "a" in function "bisect_right"
-     Argument type is "list[Unknown]" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:284:9 - error: Type of "bol" is unknown (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:284:15 - error: Type of "bol_offsets" is partially unknown
-     Type of "bol_offsets" is "list[Unknown]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:288:16 - error: Type of "bol_offsets" is partially unknown
-     Type of "bol_offsets" is "list[Unknown]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/core.py:288:16 - error: Return type is unknown (reportUnknownVariableType)
-     Type of "validate_style" is "(name: Unknown) -> (str | Unknown)" (reportUnknownVariableType)
+     Type of "validate_style" is "(name: Unknown) -> Unknown" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:149:30 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:149:30 - error: Argument type is Any
-     Argument corresponds to parameter "args" in function "format"
+     Argument corresponds to parameter "args" in function "format" (reportAny)
-     Argument type is "Any | Unknown" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:181:5 - error: Return type, "AlectryonState | Unknown", is partially unknown (reportUnknownParameterType)
+   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:181:5 - error: Return type is unknown (reportUnknownParameterType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:185:12 - error: Return type, "AlectryonState | Unknown", is partially unknown (reportUnknownVariableType)
+   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:185:12 - error: Return type is unknown (reportUnknownVariableType)
+   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:311:9 - error: Type of "state" is Any (reportAny)
-   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:312:39 - error: Type of "transforms_executed" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:312:39 - error: Type of "transforms_executed" is Any (reportAny)
-     Type of "transforms_executed" is "set[Unknown] | Any" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:313:13 - error: Type of "transforms_executed" is partially unknown
+   /tmp/mypy_primer/projects/alectryon/alectryon/docutils.py:313:13 - error: Type of "transforms_executed" is Any (reportAny)
-     Type of "transforms_executed" is "set[Unknown] | Any" (reportUnknownMemberType)

... (truncated 269 lines) ...

pyinstrument (https://github.com/joerick/pyinstrument)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:304:73 - error: Argument type is Any
+     Argument corresponds to parameter "output_file" in function "create_renderer" (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:309:76 - error: Argument type is Any
+     Argument corresponds to parameter "file_obj" in function "file_is_a_tty" (reportAny)
-   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:378:9 - error: Result of call expression is of type "int | Any" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
-   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:380:13 - error: Result of call expression is of type "Any | None" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:373:95 - error: Argument type is Any
+     Argument corresponds to parameter "file_obj" in function "file_is_a_tty" (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:378:9 - error: Type of "write" is Any (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/__main__.py:380:13 - error: Type of "close" is Any (reportAny)
-   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/middleware.py:50:31 - error: Argument type is unknown
-     Argument corresponds to parameter "request" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/stack_sampler.py:65:13 - error: Result of call expression is of type "Token[object | None]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/stack_sampler.py:65:13 - error: Result of call expression is of type "Token[object]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
-   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/stack_sampler.py:86:13 - error: Result of call expression is of type "Token[object | None]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/stack_sampler.py:86:13 - error: Result of call expression is of type "Token[object]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/stack_sampler.py:160:12 - error: Type of "stack_sampler" is Any (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/stack_sampler.py:160:12 - error: Return type is Any (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/low_level/stat_profile_python.py:105:9 - error: Type of "frame_info" is Any (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/low_level/stat_profile_python.py:108:9 - error: Type of "frame_info" is Any (reportAny)
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/low_level/stat_profile_python.py:110:12 - error: Return type is Any (reportAny)
-   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/magic/magic.py:115:13 - error: Type of "async_mode" is partially unknown
+   /tmp/mypy_primer/projects/pyinstrument/pyinstrument/magic/magic.py:115:13 - error: Type of "async_mode" is unknown (reportUnknownMemberType)
-     Type of "async_mode" is "Unknown | Literal['disabled']" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pyinstrument/test/low_level/test_context.py:39:5 - error: Result of call expression is of type "Token[object | None]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
+   /tmp/mypy_primer/projects/pyinstrument/test/low_level/test_context.py:39:5 - error: Result of call expression is of type "Token[object]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
-   /tmp/mypy_primer/projects/pyinstrument/test/low_level/test_context.py:40:5 - error: Result of call expression is of type "Token[object | None]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
+   /tmp/mypy_primer/projects/pyinstrument/test/low_level/test_context.py:40:5 - error: Result of call expression is of type "Token[object]" and is not used; assign to variable "_" if this is intentional (reportUnusedCallResult)
- 1064 errors, 0 warnings, 0 notes
+ 1071 errors, 0 warnings, 0 notes

pandera (https://github.com/pandera-dev/pandera)
+   /tmp/mypy_primer/projects/pandera/pandera/decorators.py:513:39 - error: Argument type is unknown
+     Argument corresponds to parameter "schema" in function "check_output" (reportUnknownArgumentType)
+   /tmp/mypy_primer/projects/pandera/pandera/decorators.py:513:51 - error: Argument type is unknown
+     Argument corresponds to parameter "obj_getter" in function "check_output" (reportUnknownArgumentType)
-     Type of "arg" is "Unknown | Any | Type[Unknown] | None" (reportUnknownMemberType)
+     Type of "arg" is "Unknown | Any | None" (reportUnknownMemberType)
-     Type of "arg" is "Unknown | Any | Type[Unknown] | None" (reportUnknownMemberType)
+     Type of "arg" is "Unknown | Any | None" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/utils.py:16:24 - error: "_doc" is possibly unbound (reportPossiblyUnboundVariable)
-     Type of "data_types" is "tuple[Unknown | Any]" (reportUnknownVariableType)
+     Type of "data_types" is "tuple[Unknown]" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:75:13 - error: Type of "dt" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:75:13 - error: Type of "dt" is unknown (reportUnknownVariableType)
-     Type of "dt" is "Unknown | Any" (reportUnknownVariableType)
-     Type of "args_dict" is "dict[str, Unknown]" (reportUnknownVariableType)
+     Type of "args_dict" is "dict[Unknown | str, Unknown]" (reportUnknownVariableType)
-     Argument type is "zip[tuple[str, Unknown]]" (reportUnknownArgumentType)
+     Argument type is "zip[tuple[Unknown, Unknown]]" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:129:37 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:129:37 - error: Argument type is unknown
-     Argument corresponds to parameter "iter1" in function "__new__"
+     Argument corresponds to parameter "iter1" in function "__new__" (reportUnknownArgumentType)
-     Argument type is "Unknown | list[str]" (reportUnknownArgumentType)
-     Type of "get" is "Overload[(key: str, /) -> (Unknown | None), (key: str, default: Unknown, /) -> Unknown, (key: str, default: _T@get, /) -> (Unknown | _T@get)]" (reportUnknownMemberType)
+     Type of "get" is "Overload[(key: Unknown | str, /) -> (Unknown | None), (key: Unknown | str, default: Unknown, /) -> Unknown, (key: Unknown | str, default: _T@get, /) -> (Unknown | _T@get)]" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:200:36 - error: "ps" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:208:35 - error: "ps" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:214:40 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:214:40 - error: Argument type is unknown
-     Argument corresponds to parameter "args" in function "format"
+     Argument corresponds to parameter "args" in function "format" (reportUnknownArgumentType)
-     Argument type is "Unknown | type" (reportUnknownArgumentType)
+   /tmp/mypy_primer/projects/pandera/pandera/api/extensions.py:291:52 - error: Type of "k" is unknown (reportUnknownVariableType)
+   /tmp/mypy_primer/projects/pandera/pandera/api/base/model_components.py:142:37 - error: Argument type is Any
+     Argument corresponds to parameter "name" in function "__init__" (reportAny)
+   /tmp/mypy_primer/projects/pandera/pandera/api/base/model_components.py:163:38 - error: Argument type is Any
+     Argument corresponds to parameter "name" in function "__init__" (reportAny)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/components.py:195:37 - error: Type of parameter "_handler" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/components.py:195:37 - error: Type of parameter "_handler" is unknown (reportUnknownParameterType)
-     Parameter type is "Unknown | Unbound" (reportUnknownParameterType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/components.py:195:37 - error: "_handler" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/components.py:195:47 - error: "GetCoreSchemaHandler" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/components.py:196:14 - error: "core_schema" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/components.py:197:20 - error: "core_schema" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:445:20 - error: "core_schema" is possibly unbound (reportPossiblyUnboundVariable)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:999:23 - error: Type of "index" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:999:23 - error: Type of "index" is unknown (reportUnknownMemberType)
-     Type of "index" is "Unknown | MultiIndex" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1133:31 - error: Type of "index" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1133:31 - error: Type of "index" is unknown (reportUnknownMemberType)
-     Type of "index" is "Unknown | MultiIndex" (reportUnknownMemberType)
-     Type of "new_index" is "MultiIndex | Unknown | None" (reportUnknownVariableType)
+     Type of "new_index" is "Unknown | None" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1145:45 - error: Type of "index" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1145:45 - error: Type of "index" is unknown (reportUnknownMemberType)
-     Type of "index" is "MultiIndex | Index | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1146:18 - error: Type of "index" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1146:18 - error: Type of "index" is unknown (reportUnknownMemberType)
-     Type of "index" is "MultiIndex | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1146:18 - error: Type of "remove_columns" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1146:18 - error: Type of "remove_columns" is unknown (reportUnknownMemberType)
-     Type of "remove_columns" is "((cols_to_remove: List[str]) -> MultiIndex) | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1146:50 - error: Argument type is partially unknown
-     Argument corresponds to parameter "cols_to_remove" in function "remove_columns"
-     Argument type is "Unknown | list[Any] | list[str]" (reportUnknownArgumentType)
-     Type of "new_index" is "Index | MultiIndex | Unknown | None" (reportUnknownVariableType)
+     Type of "new_index" is "Index | Unknown | None" (reportUnknownVariableType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:27 - error: Type of "columns" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:27 - error: Type of "columns" is unknown (reportUnknownMemberType)
-     Type of "columns" is "Dict[Any, Any] | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:27 - error: Type of "dtype" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:27 - error: Type of "dtype" is unknown (reportUnknownMemberType)
-     Type of "dtype" is "Any | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:27 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:27 - error: Argument type is unknown
-     Argument corresponds to parameter "dtype" in function "__init__"
+     Argument corresponds to parameter "dtype" in function "__init__" (reportUnknownArgumentType)
-     Argument type is "Any | Unknown" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:50 - error: Type of "columns" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:50 - error: Type of "columns" is unknown (reportUnknownMemberType)
-     Type of "columns" is "Dict[Any, Any] | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:50 - error: Argument type is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1153:50 - error: Argument type is unknown
-     Argument corresponds to parameter "iterable" in function "__init__"
+     Argument corresponds to parameter "iterable" in function "__init__" (reportUnknownArgumentType)
-     Argument type is "Dict[Any, Any] | Unknown" (reportUnknownArgumentType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1154:28 - error: Type of "columns" is partially unknown
+   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1154:28 - error: Type of "columns" is unknown (reportUnknownMemberType)
-     Type of "columns" is "Dict[Any, Any] | Unknown" (reportUnknownMemberType)
-   /tmp/mypy_primer/projects/pandera/pandera/api/dataframe/container.py:1154:28 - error: Type of "checks" is partially unknown

... (truncated 1068 lines) ...

pydantic (https://github.com/samuelcolvin/pydantic)
-     Type of "Field" is "(default: Any = PydanticUndefined, *, default_factory: (() -> Any) | None = _Unset, alias: str | None = _Unset, alias_priority: int | None = _Unset, validation_alias: str | AliasPath | AliasChoices | None = _Unset, serialization_alias: str | None = _Unset, title: str | None = _Unset, field_title_generator: ((str, FieldInfo) -> str) | None = _Unset, description: str | None = _Unset, examples: list[Any] | None = _Unset, exclude: bool | None = _Unset, discriminator: str | Discriminator | None = _Unset, deprecated: deprecated | str | bool | None = _Unset, json_schema_extra: Dict[str, int | float | str | bool | List[JsonValue] | JsonDict | None] | ((Dict[str, int | float | str | bool | List[JsonValue] | JsonDict | None]) -> None) | None = _Unset, frozen: bool | None = _Unset, validate_default: bool | None = _Unset, repr: bool = _Unset, init: bool | None = _Unset, init_var: bool | None = _Unset, kw_only: bool | None = _Unset, pattern: str | Pattern[str] | None = _Unset, strict: bool | None = _Unset, coerce_numbers_to_str: bool | None = _Unset, gt: Unknown | None = _Unset, ge: Unknown | None = _Unset, lt: Unknown | None = _Unset, le: Unknown | None = _Unset, multiple_of: float | None = _Unset, allow_inf_nan: bool | None = _Unset, max_digits: int | None = _Unset, decimal_places: int | None = _Unset, min_length: int | None = _Unset, max_length: int | None = _Unset, union_mode: Literal['smart', 'left_to_right'] = _Unset, fail_fast: bool | None = _Unset, **extra: **_EmptyKwargs) -> Any" (reportUnknownVariableType)
+     Type of "Field" is "(default: Any = PydanticUndefined, *, default_factory: (() -> Any) | None = _Unset, alias: str | None = _Unset, alias_priority: int | None = _Unset, validation_alias: str | AliasPath | AliasChoices | None = _Unset, serialization_alias: str | None = _Unset, title: str | None = _Unset, field_title_generator: ((str, FieldInfo) -> str) | None = _Unset, description: str | None = _Unset, examples: list[Any] | None = _Unset, exclude: bool | None = _Unset, discriminator: str | Discriminator | None = _Unset, deprecated: deprecated | str | bool | None = _Unset, json_schema_extra: Dict[str, int | float | str | bool | List[JsonValue] | JsonDict | None] | ((Dict[str, int | float | str | bool | List[JsonValue] | JsonDict | None]) -> None) | None = _Unset, frozen: bool | None = _Unset, validate_default: bool | None = _Unset, repr: bool = _Unset, init: bool | None = _Unset, init_var: bool | None = _Unset, kw_only: bool | None = _Unset, pattern: str | Pattern[str] | None = _Unset, strict: bool | None = _Unset, coerce_numbers_to_str: bool | None = _Unset, gt: Unknown = _Unset, ge: Unknown = _Unset, lt: Unknown = _Unset, le: Unknown = _Unset, multiple_of: float | None = _Unset, allow_inf_nan: bool | None = _Unset, max_digits: int | None = _Unset, decimal_places: int | None = _Unset, min_length: int | None = _Unset, max_length: int | None = _Unset, union_mode: Literal['smart', 'left_to_right'] = _Unset, fail_fast: bool | None = _Unset, **extra: **_EmptyKwargs) -> Any" (reportUnknownVariableType)
+   /tmp/mypy_primer/projects/pydantic/pydantic/aliases.py:120:16 - error: Return type is Any (reportAny)
-     Type of "Field" is "(default: Any = PydanticUndefined, *, default_factory: (() -> Any) | None = _Unset, alias: str | None = _Unset, alias_priority: int | None = _Unset, validation_alias: str | AliasPath | AliasChoices | None = _Unset, serialization_alias: str | None = _Unset, title: str | None = _Unset, field_title_generator: ((str, FieldInfo) -> str) | None = _Unset, description: str | None = _Unset, examples: list[Any] | None = _Unset, exclude: bool | None = _Unset, discriminator: str | Discriminator | None = _Unset, deprecated: deprecated | str | bool | None = _Unset, json_schema_extra: Dict[str, int | float | str | bool | List[JsonValue] | JsonDict | None] | ((Dict[str, int | float | str | bool | List[JsonValue] | JsonDict | None]) -> None) | None = _Unset, frozen: bool | None = _Unset, validate_default: bool | None = _Unset, repr: bool = _Unset, init: bool | None = _Unset, init_var: bool | None = _Unset, kw_only: bool | None = _Unset, pattern: str | Pattern[str] | None = _Unset, strict: bool | None = _Unset, coerce_numbers_to_str: bool | None = _Unset, gt: Unknown | None = _Unset, ge: Unknown | None = _Unset, lt: Unknown | None = _Unset, le: Unknown | None = _Unset, multiple_of: float | None = _Unset, allow_inf_nan: bool | None = _Unset, max_digits: int | None = _Unset, decimal_places: int | None = _Unset, min_length: int | None = _Unset, max_length: int | None = _Unset, union_mode: Literal['smart', 'left_to_right'] = _Unset, fail_fast: bool | None = _Unset, **extra: **_EmptyKwargs) -> Any" (reportUnknownVariableType)

... (truncated 1194 lines) ...```

@DetachHead DetachHead marked this pull request as draft June 30, 2024 10:11
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Successfully merging this pull request may close these issues.

isinstance check incorrectly changes type to include list[Any] outside of the if statement
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@DetachHead