Typo

Author: ogrisel

Diff for: tests/cloudpickle_test.py

@@ -1310,7 +1310,7 @@ class Color(Enum):
         assert green1 is green2
         assert green1 is ClonedColor.GREEN
 
-        # Check that the pickle that was return has been matched back to the
+        # Check that the pickle that was returned has been matched back to the
         # interactively defined Color living in the __main__ module of the
         # original Python process.
         assert ClonedColor is Color