diff --git a/fbchat/_util.py b/fbchat/_util.py
index f18d6e1..9bfe09c 100644
--- a/fbchat/_util.py
+++ b/fbchat/_util.py
@@ -11,6 +11,7 @@ from os.path import basename
 import warnings
 import logging
 import requests
+from ._exception import FBchatException, FBchatFacebookError
 
 try:
     from urllib.parse import urlencode, parse_qs, urlparse