update the flake8 config in tox.ini

tox.ini

@@ -25,38 +25,7 @@ passenv =
 
 [flake8]
 # These are things that the devs don't agree make the code more readable
-# https://github.com/ansible/proposals/issues/50
-# E123 closing bracket does not match indentation of opening bracket's line
-# E124 closing bracket does not match visual indentation
-# E127 continuation line over-indented for visual indent
-# E128 continuation line under-indented for visual indent
-# E201 whitespace after '['
-# E202 whitespace before ']'
-# E203 whitespace before ','
-# E221 multiple spaces before operator
-# E222 multiple spaces after operator
-# E225 missing whitespace around operator
-# E226 missing whitespace around arithmetic operator
-# E227 missing whitespace around bitwise or shift operator
-# E228 missing whitespace around modulo operator
-# E231 missing whitespace after ','
-# E241 multiple spaces after ','
-# E251 unexpected spaces around keyword / parameter equals
-# E261 at least two spaces before inline comment
-# E262 inline comment should start with '# '
-# E265 block comment should start with '# '
-# E266 too many leading '#' for block comment
-# E301 expected 1 blank line, found 0
-# E302 expected 2 blank lines, found 1
-# E303 too many blank lines (3)
 # E402 module level import not at top of file
-# E502 the backslash is redundant between brackets
-# E713 test for membership should be 'not in'
-# E731 do not assign a lambda expression, use a def
-# W391 blank line at end of file
-# W503 line break before binary operator
-ignore = E123,E124,E127,E128,E201,E202,E203,E211,E221,E222,E225,E226,E228,E227,E231,E241,E251,E261,E262,E265,E266,E301,E302,E303,E402,E502,E713,E731,W391,W503
+ignore = E402
 # not all the devs believe in 80 column line length
 max-line-length = 160
-# Not going to worry about style in the test suite
-exclude = tests/*