Add more linting

[blink1073]

No description provided.

[codecov]

Codecov Report

Base: 60.88% // Head: 60.43% // Decreases project coverage by -0.45% ⚠️

Coverage data is based on head (44f712d) compared to base (25e1e68).
Patch coverage: 50.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #69      +/-   ##
==========================================
- Coverage   60.88%   60.43%   -0.45%     
==========================================
  Files           7        7              
  Lines         363      369       +6     
  Branches       80       79       -1     
==========================================
+ Hits          221      223       +2     
- Misses        124      128       +4     
  Partials       18       18              

Impacted Files	Coverage Δ
jupyter_server_synchronizer/kernel_db.py	76.76% <30.00%> (-2.62%)	⬇️
jupyter_server_synchronizer/kernel_records.py	81.57% <75.00%> (-0.24%)	⬇️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.