force reload pycodestyle module

[hhatto]

for #625

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.01%. Comparing base (0fa37c2) to head (eddf8fa).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #740 +/- ## ======================================= Coverage 98.01% 98.01% ======================================= Files 1 1 Lines 2413 2415 +2 ======================================= + Hits 2365 2367 +2 Misses 48 48 ```

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