Modify build file to setup git action

[chenzhao2020]

This pr correct build.yml file to right version in order to trigger the git action workflow. It also formatting code scripts in order to pass flack8 formatting test

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@e5641c2). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #36   +/-   ##
=======================================
  Coverage        ?   95.88%           
=======================================
  Files           ?        5           
  Lines           ?      170           
  Branches        ?        0           
=======================================
  Hits            ?      163           
  Misses          ?        7           
  Partials        ?        0           

Flag	Coverage Δ
unittests	95.88% <0.00%> (?)

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