fixed autocorr with obsm

[colganwi]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.86%. Comparing base (444636e) to head (a971236).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #21   +/-   ##
=======================================
  Coverage   95.86%   95.86%           
=======================================
  Files          19       19           
  Lines        1377     1378    +1     
=======================================
+ Hits         1320     1321    +1     
  Misses         57       57           

Files with missing lines	Coverage Δ
src/pycea/tl/autocorr.py	96.42% <100.00%> (+0.06%)	⬆️

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