STYLE: Update python code with indentation fixes

This fixes all remaining pycodestyle E1 indentation error codes.

Bulk of updates performed using autopep8 CLI
with the following command:

  autopep8 --in-place --select E111,E114,E115,E116,E117,E121,E122,E123,E124,E125,E126,E127,E128,E129,E131 $(git ls-files '*.py')

See https://github.com/hhatto/autopep8#readme

References:

* Indentation is not a multiple of four
  See https://www.flake8rules.com/rules/E111.html

* Indentation is not a multiple of four (comment)
  See https://www.flake8rules.com/rules/E114.html

* Expected an indented block (comment)
  See https://www.flake8rules.com/rules/E115.html

* Unexpected indentation (comment)
  See https://www.flake8rules.com/rules/E116.html

* Over-indented
  See https://www.flake8rules.com/rules/E117.html

* Continuation line under-indented for hanging indent
  See https://www.flake8rules.com/rules/E121.html

* Continuation line missing indentation or outdented
  See https://www.flake8rules.com/rules/E122.html

* Closing bracket does not match indentation of opening bracket's line
  See https://www.flake8rules.com/rules/E123.html

* Closing bracket does not match visual indentation
  See https://www.flake8rules.com/rules/E124.html

* Continuation line with same indent as next logical line
  See https://www.flake8rules.com/rules/E125.html

* Continuation line over-indented for hanging indent
  See https://www.flake8rules.com/rules/E126.html

* Continuation line over-indented for visual indent
  See https://www.flake8rules.com/rules/E127.html

* Continuation line under-indented for visual indent
  See https://www.flake8rules.com/rules/E128.html

* Visually indented line with same indent as next logical line
  See https://www.flake8rules.com/rules/E129.html

* Continuation line unaligned for hanging indent
  See https://www.flake8rules.com/rules/E131.html

.flake8

@@ -40,36 +40,6 @@ ignore = \
   B009, \
   # B010] Do not call setattr with a constant attribute value, it is not any safer than normal property access.
   B010, \
-  # Indentation is not a multiple of four
-  E111, \
-  # Indentation is not a multiple of four (comment)
-  E114, \
-  # expected an indented block (comment)
-  E115, \
-  # unexpected indentation (comment)
-  E116, \
-  # over-indented
-  E117, \
-  # continuation line under-indented for hanging indent
-  E121, \
-  # continuation line missing indentation or outdented
-  E122, \
-  # closing bracket does not match visual indentation
-  E124, \
-  # closing bracket does not match indentation of opening bracket's line
-  E123, \
-  # continuation line with same indent as next logical line
-  E125, \
-  # continuation line over-indented for hanging indent
-  E126, \
-  # continuation line over-indented for visual indent
-  E127, \
-  # continuation line under-indented for visual indent
-  E128, \
-  # visually indented line with same indent as next logical line
-  E129, \
-  # continuation line unaligned for hanging indent
-  E131, \
   # multiple imports on one line
   E401, \
   # module level import not at top of file