code: def test_DELETE_InvalidURL(self):
      url = ""
      data = {"foo:bar"}
      with self.assertRaises(TypeError):
          self.rnw.DELETE(url, data)
  
imports: import json
  import requests
  from requests.auth import HTTPBasicAuth
  from tabpy.tabpy_tools.rest import RequestsNetworkWrapper, ServiceClient
  import unittest
  from unittest.mock import Mock
label_desc: Use image node_id 16 for calling the TestRequestsNetworkWrapper obj's underlying member method code with example usage: obj.test_DELETE_InvalidURL() without return types