Fix type annotation of message_dict. #1073
Merged
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I have made things!
When message_dict is accessed, it either raises an
AttributeError
orreturns a
dict
. There is no way for it to beOptional
.https://github.com/django/django/blob/caad462feaa84ba78ed658a9595a4a4363dad2db/django/core/exceptions.py#L170-L176