Merge pull request #83 from sambrightman/fix-flake8-warning

Migrate to argparse callable `type=` option
diff --git a/mccabe.py b/mccabe.py
index 3ab390c..f28b979 100644
--- a/mccabe.py
+++ b/mccabe.py
@@ -242,7 +242,7 @@
         kwargs = {
             'default': -1,
             'action': 'store',
-            'type': 'int',
+            'type': int,
             'help': 'McCabe complexity threshold',
             'parse_from_config': 'True',
         }