Get rid of deprecated argparse.FileType

[languitar]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.64%. Comparing base (8a2dda6) to head (1839835).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #759   +/-   ##
=======================================
  Coverage   95.64%   95.64%           
=======================================
  Files          20       20           
  Lines        1333     1333           
  Branches      116      116           
=======================================
  Hits         1275     1275           
  Misses         45       45           
  Partials       13       13           

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