gh-137: autopep8 action

[lb324567]

Action added to GH Actions that automatically runs autopep8 on the branch.

if autopep8 makes any changes, the action creates a new PR with those changes which can then be reviewed and merged into the branch the changes have occurred on.

One exclusion has been made for rule E402, this is to stop the circular imports error that occurs if these changes are made. A new issue will be raised to look into this. Rules and additional information on autopep8 can be found here: https://pypi.org/project/autopep8/

[codecov-commenter]

Codecov Report

Merging #1028 (a1ad91a) into v2-alpha (f640ae3) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             v2-alpha    #1028   +/-   ##
===========================================
  Coverage       45.15%   45.15%           
  Complexity        101      101           
===========================================
  Files              25       25           
  Lines             897      897           
  Branches           73       73           
===========================================
  Hits              405      405           
  Misses            462      462           
  Partials           30       30           

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