catch exception for deleting _api model reference when pickling/ unpickling

diff --git a/tweepy/models.py b/tweepy/models.py
index 4dc67f9e3c6526b156955b9c792727709bfed52d..30ecc0fdd238cc8499f2c61b623014e38addb3aa 100644 (file)
--- a/tweepy/models.py
+++ b/tweepy/models.py
@@ -19,7 +19,10 @@ class Model(object):
     def __getstate__(self):
         # pickle
         pickle = dict(self.__dict__)
-        del pickle['_api']  # do not pickle the API reference
+        try:
+            del pickle['_api']  # do not pickle the API reference
+        except KeyError:
+            pass
         return pickle
 
     @classmethod