Re-add W504 so CI passes, until we reformat

wsanchez · wsanchez · commit 9f80c1c6765b · 2020-01-25T15:32:16.000-08:00
diff --git a/tox.ini b/tox.ini
@@ -150,6 +150,9 @@ ignore =
     # line break before binary operator
     W503,
 
+    # line break after binary operator
+    W504,
+
     # End of list (allows last item to end with trailing ',')
     EOL
 
