From f8a00789d09bca26997ebe480c1736cf11abaea6 Mon Sep 17 00:00:00 2001
From: Philip Khor <35039795+philip-khor@users.noreply.github.com>
Date: Thu, 13 Aug 2020 11:42:46 +0800
Subject: [PATCH] is_categorical deprecated

https://github.com/pandas-dev/pandas/pull/33385
---
 category_encoders/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/category_encoders/utils.py b/category_encoders/utils.py
index 6f8e62e7..7e617f1f 100644
--- a/category_encoders/utils.py
+++ b/category_encoders/utils.py
@@ -18,7 +18,7 @@ def convert_cols_to_list(cols):
         return list(cols)
     elif isinstance(cols, tuple):
         return list(cols)
-    elif pd.api.types.is_categorical(cols):
+    elif pd.api.types.is_categorical_dtype(cols):
         return cols.astype(object).tolist()
 
     return cols