code: def _login(self, login: str, password: str) -> None:
      response = requests.post(
          url=f"{self.authorization_server}/users/login",
          json={"login": login, "password": password},
      )
  
      if response.status_code != 200:
          raise ValueError(
              f"Unable to get user token. Reason: {response.text}"
          )
  
      self._user_token = response.cookies["x-jwt-auth"]
      self.user = json.loads(response.text)
  
imports: import json
  import os
  import shutil
  import time
  from datetime import datetime, timedelta
  from typing import List, Optional
  import requests
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.remote.infrastructure.clients.client import Client
label_desc: Use image node_id 4 for calling the DataMallClient obj's underlying member method code with example usage: obj._login(login, password) without return types