diff --git a/tox.ini b/tox.ini
index 6a9dd4b0..9a53e4a6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [flake8]
 exclude = doc/*,*.pyc,*.py~,*.in,*.spec,*.sh,*.rst,setup.py
 filename = *.py
-ignore = E501
+ignore = E501,E402
 
 [run]
 omit = tests/*