Backport PR pandas-dev#48414: DOC: Add deprecation to is_categorical

bashtage · meeseeksmachine · commit ee0b7089d01b · 2022-09-06T19:16:23.000Z
diff --git a/pandas/core/dtypes/common.py b/pandas/core/dtypes/common.py
@@ -280,6 +280,9 @@ def is_categorical(arr) -> bool:
     """
     Check whether an array-like is a Categorical instance.
 
+    .. deprecated:: 1.1.0
+        Use ``is_categorical_dtype`` instead.
+
     Parameters
     ----------
     arr : array-like
