[MAINT] add missing comma in setup.py

[slumnitz]

• adds missing commas to setup.py

[codecov-commenter]

Codecov Report

Merging #137 (b65d1f7) into main (abf12c6) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #137   +/-   ##
=======================================
  Coverage   85.94%   85.94%           
=======================================
  Files          18       18           
  Lines        1217     1217           
=======================================
  Hits         1046     1046           
  Misses        171      171           

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[jGaboardi]

Can't figure out how to approve PRs on the GH mobile app... so this is my approval: ✅