Do not redefine TimeoutError by mistake

ai_web_common/rpc/core.py

@@ -56,10 +56,6 @@ class AuthenticationError(StatusError):
     pass
 
 
-class TimeoutError(Exception):
-    pass
-
-
 class _DNS():
     """A process-wide cache of DNS entries."""
 

ai_web_common/rpc/test/test_rpc.py

 import json
 import mock
 from ai_web_common.rpc.test import RPCTestCase, BASE_FREE_PORT
-from ai_web_common.rpc.core import BadRequestError, StatusError, TimeoutError
+from ai_web_common.rpc.core import BadRequestError, StatusError
 
 
 class TestRPC(RPCTestCase):