'Inspect a ``docker.errors.APIError`` to determine if it represents a
failure to start a container because the container\'s image wasn\'t
found.
:return: ``True`` if this is the case, ``False`` if the error has
another cause.
:rtype: ``bool``'

def _image_not_found(self, apierror):

    return (apierror.response.status_code == NOT_FOUND)
