Fix supported Python versions

[johnthagen]

No description provided.

[codecov]

Codecov Report

Merging #149 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #149   +/-   ##
=======================================
  Coverage   96.92%   96.92%           
=======================================
  Files          19       19           
  Lines        2696     2696           
=======================================
  Hits         2613     2613           
  Misses         83       83           

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[ziirish]

Hello, thanks for your contribution.
Unfortunately I won't merge your change as they are already part of #113