Groupby api update

[realratchet]

There were some breaking issues for dependencies in group by that require the original names for inference of the product column name. Until validation is part of the groupby class itself make it compatible instead.

Also fixes issues when none is passed for tqdm.

Minor cleanup.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.62%. Comparing base (222d900) to head (121af91).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #160      +/-   ##
==========================================
+ Coverage   82.49%   82.62%   +0.13%     
==========================================
  Files          26       26              
  Lines        3884     3873      -11     
==========================================
- Hits         3204     3200       -4     
+ Misses        680      673       -7     

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