[ERROR   ] An exception occurred in this state: Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/salt/state.py", line 1305, in call
    *cdata['args'], **cdata['kwargs'])
  File "/usr/local/lib/python2.7/site-packages/salt/states/pkg.py", line 465, in installed
    **kwargs)
  File "/usr/local/lib/python2.7/site-packages/salt/modules/brew.py", line 323, in install
    return salt.utils.compare_dicts(old, new)
AttributeError: 'module' object has no attribute 'compare_dicts'