diff --git a/spotipy/oauth2.py b/spotipy/oauth2.py
index 5a2fd4ed..bea5e183 100644
--- a/spotipy/oauth2.py
+++ b/spotipy/oauth2.py
@@ -11,6 +11,7 @@
 import os
 import time
 import webbrowser
+import warnings
 
 import requests
 import urllib.parse as urllibparse