diff --git a/mayan/apps/converter/__init__.py b/mayan/apps/converter/__init__.py
index 04b9fa2c07..b0211abbf8 100644
--- a/mayan/apps/converter/__init__.py
+++ b/mayan/apps/converter/__init__.py
@@ -1,4 +1,4 @@
 from .classes import (
-    TransformationResize, TransformationRotate, TransformationZoom
+    TransformationResize, TransformationRotate, TransformationZoom  # NOQA
 )
-from .runtime import converter_class
+from .runtime import converter_class  # NOQA