Traceback (most recent call last):

 "/home/niwi/.envs/py3test/bin/celery", line 9, in <module>
load_entry_point('celery==3.0.12', 'console_scripts', 'celery')()

 "/home/niwi/.envs/py3test/lib/python3.3/site-packages/distribute-0.6.28-py3.3.egg/pkg_resources.py", line 337, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)

 "/home/niwi/.envs/py3test/lib/python3.3/site-packages/distribute-0.6.28-py3.3.egg/pkg_resources.py", line 2312, in load_entry_point
return ep.load()

 "/home/niwi/.envs/py3test/lib/python3.3/site-packages/distribute-0.6.28-py3.3.egg/pkg_resources.py", line 2018, in load
entry = __import__(self.module_name, globals(),globals(), ['__name__'])

 "/home/niwi/.envs/py3test/lib/python3.3/site-packages/celery/__init__.py", line 43, in <module>
from .__compat__ import recreate_module

 "/home/niwi/.envs/py3test/lib/python3.3/site-packages/celery/__compat__.py", line 20, in <module>
from .local import Proxy

 "/home/niwi/.envs/py3test/lib/python3.3/site-packages/celery/local.py", line 87, in <module>
class Proxy(object):ValueError: '__name__' in __slots__ conflicts with class variable
Traceback (most recent call last):

 "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()

 "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)

 "/usr/lib/python2.7/site-packages/httpretty/core.py", line 637, in fill_filekind
headers

 "/usr/lib/python2.7/site-packages/moto/core/responses.py", line 95, in dispatch
return cls()._dispatch(*args, **kwargs)

 "/usr/lib/python2.7/site-packages/moto/core/responses.py", line 136, in _dispatch
return self.call_action()

 "/usr/lib/python2.7/site-packages/moto/core/responses.py", line 152, in call_action
response = method()

 "/usr/lib/python2.7/site-packages/moto/ec2/responses/vpcs.py", line 9, in create_vpc
vpc = self.ec2_backend.create_vpc(cidr_block)

 "/usr/lib/python2.7/site-packages/mock/mock.py", line 1062, in __call__
return _mock_self._mock_call(*args, **kwargs)

 "/usr/lib/python2.7/site-packages/mock/mock.py", line 1118, in _mock_call
raise effectBotoServerError: BotoServerError: 400 Mocked error