diff --git a/tox.ini b/tox.ini
index 1257069d2..3cea1d6b2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -84,8 +84,16 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 #
 # E251 unexpected spaces around keyword / parameter equals
 # reason: no improvement in readability
+# W503 line break before binary operator
+# reason: pep8 itself is not sure about this one and
+#  reversed this rule in 2016
+# W504 line break after binary operator
+# reason: no agreement on this being universally
+#  preferable for our code.  Disabled to keep checking
+#  tools from getting in our way with regards to this.
+#
 show-source = True
-ignore = E251
+ignore = E251,W503,W504
 enable-extensions=H106,H203,H204,H205
 builtins = _
 exclude=.venv,.git,.tox,dist,*lib/python*,*egg,build