Temporary fix pycodestyle error.

The bug is being discussed at: PyCQA/pycodestyle#914

Author: kdeldycke

setup.cfg

@@ -7,7 +7,9 @@ allow_dirty = True
 # https://pycodestyle.readthedocs.io/en/latest/intro.html#configuration
 [pycodestyle]
 # https://pycodestyle.readthedocs.io/en/latest/intro.html#error-codes
-ignore =
+# E203: Temporary ignore while we wait for
+# https://github.com/PyCQA/pycodestyle/pull/914 to be merged.
+ignore = E203
 show-source = True
 statistics = True
 # Aligns to black's config.