using boxdetect in a lambda errors due to GUI artifacts

[churdman001]

When trying to use boxdetect in an AWS lambda, this error occurs when deploying:

[ERROR] Runtime.ImportModuleError: Unable to import module 'pd_ocr/handlers/s3_write': libGL.so.1: cannot open shared object file: No such file or directory Traceback (most recent call last):

The error occurs because it is trying to use opencv artifacts necessary for GUI interface which is not needed in a lambda.

Proposed solution: boxdetect should use opencv-python-headless instead of opencv-python. That way these unneeded GUI artifacts are not included allowing boxdetect to be used in a lambda.