diff --git a/tox.ini b/tox.ini
index 0218477..59764db 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,8 +35,9 @@
 
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.
-
+# W503 line break before binary operator
+# W504 line break after binary operator
 show-source = True
-ignore = E123,E125
+ignore = E123,E125,W503,W504
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build