changeset d610ccd causes KeyError: 'get' #438

Error detected while processing function pymode#lint#check:
line   11:
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/olli/.vim/bundle/python-mode/pymode/lint.py", line 56, in code_check
    errors = sorted(errors, key=__sort)
  File "/home/olli/.vim/bundle/python-mode/pymode/lint.py", line 50, in __sort
    return sort_rules.index(e.get('type'))
  File "/home/olli/.vim/bundle/python-mode/pymode/libs/pylama/errors.py", line 55, in __getattr__
    return self._info[name]
KeyError: 'get'