code: async def SetPhase(self, phase):
          '''
          phase : str
          Returns -> None
          '''
          # map input types to rpc msg
          _params = dict()
          msg = dict(type='MigrationMaster',
                     request='SetPhase',
                     version=1,
                     params=_params)
          _params['phase'] = phase
          reply = await self.rpc(msg)
          return replync def SetPhase(self, phase):
          '''
          phase : str
          Returns -> None
          '''
          # map input types to rpc msg
          _params = dict()
          msg = dict(type='MigrationMaster',
                     request='SetPhase',
                     version=1,
                     params=_params)
          _params['phase'] = phase
          reply = await self.rpc(msg)
          return reply
docs: phase : str
          Returns -> None