Fix #941, pylint's whitespace messages don't get their before|after string

[dansut]

Fix for #941

[codecov]

Codecov Report

Merging #129 into master will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #129     +/-   ##
=========================================
- Coverage    92.8%   92.71%   -0.1%     
=========================================
  Files          26       26             
  Lines        1098     1098             
  Branches      187      187             
=========================================
- Hits         1019     1018      -1     
  Misses         48       48             
- Partials       31       32      +1

Impacted Files	Coverage Δ
twistedchecker/checkers/pycodestyleformat.py	95.23% <ø> (-1.2%)	⬇️

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[rodrigc]

pycodestyle checker has moved into the twisted source tree here: twisted/twisted#969

The pycodestyle checker in twistedchecker is going away