Rectify nearly all type errors revealed by mypy
on current repo
#3267
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This PR resolves nearly all of the errors produced by
mypy
and passes the same number of tests as before, reducing the number of type errors from 43 to 7 (6 of which are in the vendored code fromsix
). This is laying the groundwork for a more extensive effort at annotating this code.Before:
After:
Command line: