If there is no post_processor defined in config, but there is a full_post_processor - the worker attempts to flush the post_processor's stdin instead of the full_post_processor's, resulting in "AttributeError: 'NoneType' object has no attribute 'stdin'"
If there is no post_processor defined in config, but there is a full_post_processor - the worker attempts to flush the post_processor's stdin instead of the full_post_processor's, resulting in "AttributeError: 'NoneType' object has no attribute 'stdin'"