def postOptions(self):
        self['destination-path'] = FilePath(self['destination-path'])
        if self['distribution'] is None:
            raise usage.UsageError('Must specify --distribution.')
Return the WRAPPER_CLASS for a given backend.
dataset/ETHPy150Open ClusterHQ/flocker/admin/packaging.py/BuildOptions.postOptions--crossover with--dataset/ETHPy150Open hgrecco/pyvisa/pyvisa/highlevel.py/get_wrapper_class