code: def get_streams(self, namespace=None):
      
      request_dict = {}
      namespace = namespace or self.namespace
      if namespace is not None:
        request_dict['namespace'] = namespace
      response = self._make_request(self._streams_url,
                                    data=request_dict,
                                    stream=True)
      for line in response.iter_lines():
        if line:
          yield line
docs: Queries the Kronos server and fetches a list of streams available to be
      read.