[Bug] 会遇到触发finish_reason为stop的情况。

[LeXwDeX]

Bug Description

当SSE推送消息的时候，收到这种消息会触发stop导致模型停止输出。

data: {"id":"chatcmpl-9eecNoubJGBMDtO7YnhA3hIa9fxzK","object":"chat.completion.chunk","created":1719476283,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_abc28019ad","choices":[{"index":0,"delta":{"content":" ="},"logprobs":null,"finish_reason":null}]}

data: {"id":"chatcmpl-9eecNoubJGBMDtO7YnhA3hIa9fxzK","object":"chat.completion.chunk","created":1719476283,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_abc28019ad","choices":[{"index":0,"delta":{"content":" tokenizer"},"logprobs":null,"finish_reason":null}]}

data: {"id":"chatcmpl-9eecNoubJGBMDtO7YnhA3hIa9fxzK","object":"chat.completion.chunk","created":1719476283,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_abc28019ad","choices":[{"index":0,"delta":{"content":"(f"},"logprobs":null,"finish_reason":null}]}

data: {"id":"chatcmpl-9eecNoubJGBMDtO7YnhA3hIa9fxzK","object":"chat.completion.chunk","created":1719476283,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_abc28019ad","choices":[{"index":0,"delta":{"content":"\""},"logprobs":null,"finish_reason":null}]}

data: {"id":"chatcmpl-9eecNoubJGBMDtO7YnhA3hIa9fxzK","object":"chat.completion.chunk","created":1719476283,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_abc28019ad","choices":[{"index":0,"delta":{},"logprobs":null,"finish_reason":"stop"}]}

data: [DONE]

遇到一个奇怪的地方，这里会触发"finish_reason":"stop"

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Title: [Bug] You will encounter a situation where finish_reason is stop.