diff --git a/python/ycm/tests/client/messages_request_test.py b/python/ycm/tests/client/messages_request_test.py
index 40f0c700..1f89f717 100644
--- a/python/ycm/tests/client/messages_request_test.py
+++ b/python/ycm/tests/client/messages_request_test.py
@@ -98,10 +98,10 @@ def HandlePollResponse_MultipleDiagnostics_test():
   assert_that( _HandlePollResponse( messages, diagnostics_handler ),
                equal_to( True ) )
   diagnostics_handler.UpdateWithNewDiagnosticsForFile.assert_has_exact_calls( [
-    call ( 'foo', [ 'PLACEHOLDER1' ] ),
-    call ( 'bar', [ 'PLACEHOLDER2' ] ),
-    call ( 'baz', [ 'PLACEHOLDER3' ] ),
-    call ( 'foo', [ 'PLACEHOLDER4' ] )
+    call( 'foo', [ 'PLACEHOLDER1' ] ),
+    call( 'bar', [ 'PLACEHOLDER2' ] ),
+    call( 'baz', [ 'PLACEHOLDER3' ] ),
+    call( 'foo', [ 'PLACEHOLDER4' ] )
   ] )
 
 
@@ -122,10 +122,10 @@ def HandlePollResponse_MultipleMessagesAndDiagnostics_test( post_vim_message ):
   assert_that( _HandlePollResponse( messages, diagnostics_handler ),
                equal_to( True ) )
   diagnostics_handler.UpdateWithNewDiagnosticsForFile.assert_has_exact_calls( [
-    call ( 'foo', [ 'PLACEHOLDER1' ] ),
-    call ( 'bar', [ 'PLACEHOLDER2' ] ),
-    call ( 'baz', [ 'PLACEHOLDER3' ] ),
-    call ( 'foo', [ 'PLACEHOLDER4' ] )
+    call( 'foo', [ 'PLACEHOLDER1' ] ),
+    call( 'bar', [ 'PLACEHOLDER2' ] ),
+    call( 'baz', [ 'PLACEHOLDER3' ] ),
+    call( 'foo', [ 'PLACEHOLDER4' ] )
   ] )
 
   post_vim_message.assert_has_exact_calls( [
diff --git a/tox.ini b/tox.ini
index 70d6d70a..763a9923 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,4 +1,4 @@
 [flake8]
-ignore = E111,E114,E121,E125,E126,E127,E128,E129,E131,E133,E201,E202,E203,E211,E221,E222,E241,E251,E261,E303,E402,W503
+ignore = E111,E114,E121,E125,E126,E127,E128,E129,E131,E133,E201,E202,E203,E221,E222,E241,E251,E261,E303,E402,W503
 max-complexity = 10
 max-line-length = 80