type hint changes in dictlist.py

[akaviaLab]

• fix #(issue number)
• description of feature/fix
  Changed type hints in dictlist to be TypeVar(Object), because otherwise my linter would complain about expecting a Reaction and getting Object from model.reactions.get_by_id(). Similarly for other interactions with dictlists.
  Doesn't change functionality.
• tests added/passed
• add an entry to the next release

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.41%. Comparing base (2d343e7) to head (b33ad79).
Report is 93 commits behind head on devel.

Additional details and impacted files

@@            Coverage Diff             @@
##            devel    #1256      +/-   ##
==========================================
+ Coverage   84.31%   84.41%   +0.09%     
==========================================
  Files          66       66              
  Lines        5497     5498       +1     
  Branches     1265     1265              
==========================================
+ Hits         4635     4641       +6     
+ Misses        556      551       -5     
  Partials      306      306              

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[akaviaLab]

@cdiener - can you please review?

[cdiener]

Not an expert in type annotations. Looks a bit hacky to me. Could it not just by the Any type for the items in a DictList since it's a general purpose container?