pytype: stop excluding changegroup.py The false positives that were detected seem to be related to what happens to the variables after the local methods are used: File "/mnt/c/Users/Matt/hg/mercurial/changegroup.py", line 353, in ondupchangelog: No attribute 'append' on range [attribute-error] In Union[List[nothing], range] File "/mnt/c/Users/Matt/hg/mercurial/changegroup.py", line 357, in onchangelog: No attribute 'update' on None [attribute-error] Differential Revision: https://phab.mercurial-scm.org/D11912