Fix channelmap() version check

[gipert]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.33%. Comparing base (e9e200b) to head (2091717).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #87   +/-   ##
=======================================
  Coverage   61.33%   61.33%           
=======================================
  Files           7        7           
  Lines         463      463           
=======================================
  Hits          284      284           
  Misses        179      179           

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