code: async def grab(self, *, countries=None, limit=0):
          
          self._countries = countries
          self._limit = limit
          task = asyncio.ensure_future(self._grab(check=False))
          self._all_tasks.append(task)
docs: Gather proxies from the providers without checking.
  
          :param list countries: (optional) List of ISO country codes
                                 where should be located proxies
          :param int limit: (optional) The maximum number of proxies
  
          :ref:`Example of usage <proxybroker-examples-grab>`.