Simplify (request.cookies.)getlist function

[Tronic]

Removes a default value in case no matches were found, in which case it previously defaulted to None. Instead, return an empty list which is more sensible in this case as the return value will then always be a list.

Presumably practically no-one uses this functionality, and Pythonic tests if None and if [] are equal. In case you do need a default value, there is an easy and a more efficient alternative because the fallback value after or is only constructed if needed and not in any case:

list_of_foo = request.cookies.getlist("foo") or ["my", "default", "value"]

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a5a9658) 88.387% compared to head (b692309) 88.429%.
Report is 17 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #2838       +/-   ##
=============================================
+ Coverage   88.387%   88.429%   +0.041%     
=============================================
  Files           92        92               
  Lines         7156      7156               
  Branches      1228      1228               
=============================================
+ Hits          6325      6328        +3     
+ Misses         575       574        -1     
+ Partials       256       254        -2     

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