removed unnecessary imports and casts

[rnveach]

Description

Removed unnecessary imports and casts.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.58%. Comparing base (04af6e3) to head (fc629d9).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2048   +/-   ##
=========================================
  Coverage     83.58%   83.58%           
  Complexity     2380     2380           
=========================================
  Files           235      235           
  Lines          7262     7262           
  Branches        382      382           
=========================================
  Hits           6070     6070           
  Misses          956      956           
  Partials        236      236           

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