update pandas.util.testing usage

Nate Parsons · Nate Parsons · commit 4e323d6e6b43 · 2020-03-12T10:18:27.000-05:00
diff --git a/autonormalize/tests/test_normalize.py b/autonormalize/tests/test_normalize.py
@@ -1,5 +1,5 @@
 import pandas as pd
-from pandas.util.testing import assert_frame_equal
+from pandas.testing import assert_frame_equal
 
 from autonormalize import classes, normalize
 
