Pyflakes and pycodestyle return many warnings

[canyon289]

Hello,
The contributing guide mention using pyflakes and pycodestyle to check for warnings in the codebase

When I run this though on the master branch I get a lot of warnings.

Is my output correct? If so should these be resolved per the contributing guide?

The warnings I get are attached below
pycodestyle_warnings.txt
pyflakes_warnings.txt

[eigenfoo]

Referring to #3307 (comment) and #3239 (comment).

The tldr is that, since refactoring code for style would touch many lines in the code base, a simple git blame would not come up with anything useful. By all means we should write pep8-comformant code going forward, but touching everything to conform to PEP8 is a bit extreme.

Closing this issue now, but please reopen if you have something to add!