mock autospeccing harming

gistfile1.pytb

>>> from mock import create_autospec
>>> class A(object):
...     def __init__(self, data):
...         self.cleaned_data = data
...         
>>> m_A = create_autospec(A)
>>> m_A({'a': 'b'}).cleaned_data
Traceback (most recent call last):
  File "<ipython-input-5-66064b709d22>", line 1, in <module>
    m_A({'a': 'b'}).cleaned_data
  File "/home/kost/.virtualenvs/shwp/local/lib/python2.7/site-packages/mock-1.0a2-py2.7.egg/mock.py", line 631, in __getattr__
    raise AttributeError("Mock object has no attribute %r" % name)
AttributeError: Mock object has no attribute 'cleaned_data'