coerce to int

Author: jreback

Diff for: pandas/tests/groupby/test_categorical.py

@@ -205,7 +205,7 @@ def test_apply(ordered):
     assert_frame_equal(result, expected)
 
     # we coerce back to ints
-    expected = expected.astype('int64')
+    expected = expected.astype('int')
     result = grouped.mean()
     assert_frame_equal(result, expected)