Undo exception info

Author: charlesbaynham

sipyco/pc_rpc.py

@@ -499,7 +499,7 @@ def __getattr__(self, name):
             and name not in self.__valid_methods
             and name not in dir(Client)
         ):
-            raise AttributeError("{} not found in cached list".format(name))
+            raise AttributeError
         else:
             # If the client exists, pass the call to the client
             def tryer(*args, **kwargs):