Fix bugs

[dschenck]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.13%. Comparing base (63b6831) to head (991530b).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
doubledate/calendar.py	85.71%	1 Missing ⚠️
doubledate/utils.py	0.00%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
+ Coverage   86.12%   86.13%   +0.01%     
==========================================
  Files          10       10              
  Lines        1369     1370       +1     
==========================================
+ Hits         1179     1180       +1     
  Misses        190      190              

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