Adapt pycodestyle to new pep8 version

ystradmann · ystradmann · commit df7844c49682 · 2019-06-18T15:24:17.000+02:00
* W503 is in conflict with the more modern W504 See PyCQA/pycodestyle#502 Change-Id: I1f29b362e0f0c6893a81c5cd12a862890e8d8609
diff --git a/pycodestyle b/pycodestyle
@@ -1,2 +1,2 @@
 [pycodestyle]
-ignore = NONE
+ignore = W503
