Warning for pandas.core.categorical

TomAugspurger · TomAugspurger · commit 61f0abdbf167 · 2018-01-16T11:07:21.000-06:00
diff --git a/pandas/core/categorical.py b/pandas/core/categorical.py
@@ -0,0 +1,7 @@
+import warnings
+
+# TODO: Remove after 0.23.x
+warnings.warn("'pandas.core' is private. Use 'pandas.Categorical'",
+              FutureWarning)
+
+from pandas.core.arrays import Categorical  # noqa
