hande more strikethrough cases

[stdavis]

Fixes #144

[steveoh]

It looks like google cloud has a different dependency on flask than what you added.

[codecov]

Codecov Report

Merging #145 (75555ad) into main (ae5cb70) will not change coverage.
The diff coverage is 83.33%.

@@           Coverage Diff           @@
##             main     #145   +/-   ##
=======================================
  Coverage   86.65%   86.65%           
=======================================
  Files           2        2           
  Lines         427      427           
  Branches       72       72           
=======================================
  Hits          370      370           
  Misses         51       51           
  Partials        6        6           

Impacted Files	Coverage Δ
src/conductor/checks.py	90.60% <83.33%> (ø)

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