Fix collinear with distorted case

[lan496]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 98.24%. Comparing base (fdacc96) to head (4b21b28).
⚠️ Report is 2 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/spinspg/group.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop       #9   +/-   ##
========================================
  Coverage    98.24%   98.24%           
========================================
  Files            7        7           
  Lines          512      512           
========================================
  Hits           503      503           
  Misses           9        9           

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