code: def setup(self,
              host, flow_id,
              reason, grr_server_url, grr_username, grr_password, approvers=None,
              verify=True):
      
      super(GRRFlowCollector, self).setup(
          reason, grr_server_url, grr_username, grr_password,
          approvers=approvers, verify=verify)
      self.flow_id = flow_id
      self.host = host
docs: Initializes a GRR flow collector.
  
      Args:
        host: hostname of machine.
        flow_id: ID of GRR flow to retrieve.
        reason: justification for GRR access.
        grr_server_url: GRR server URL.
        grr_username: GRR username.
        grr_password: GRR password.
        approvers: list of GRR approval recipients.
        verify: boolean, whether to verify the GRR server's x509 certificate.