more lint fixes

[jschlyter]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.86%. Comparing base (ef150b6) to head (7087aab).
Report is 70 commits behind head on main.

Files with missing lines	Patch %	Lines
src/cryptojwt/key_issuer.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #166      +/-   ##
==========================================
+ Coverage   76.21%   76.86%   +0.65%     
==========================================
  Files          44       44              
  Lines        4746     4616     -130     
  Branches     1000      984      -16     
==========================================
- Hits         3617     3548      -69     
+ Misses        824      780      -44     
+ Partials      305      288      -17     

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