Update types.py

Author: xzycn

hug/types.py

@@ -35,7 +35,9 @@
     import marshmallow
     from marshmallow import ValidationError
 
-    MARSHMALLOW_MAJOR_VERSION = getattr(marshmallow,'__version_info__',LooseVersion(marshmallow.__version__).version)[0]
+    MARSHMALLOW_MAJOR_VERSION = getattr(
+        marshmallow, "__version_info__", LooseVersion(marshmallow.__version__).version
+    )[0]
 except ImportError:
     # Just define the error that is never raised so that Python does not complain.
     class ValidationError(Exception):