refactor: fix ruff issues

[linuxdaemon]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 42.64%. Comparing base (ad90890) to head (07ab2e3).
⚠️ Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
bncbot/async_util.py	0.00%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (50.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #153   +/-   ##
=======================================
  Coverage   42.64%   42.64%           
=======================================
  Files          13       13           
  Lines         748      748           
  Branches       91       91           
=======================================
  Hits          319      319           
  Misses        417      417           
  Partials       12       12           

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