old_contents: import types
  import unittest
  
  import requests
  
  
  class TestCase(object):
      """
      Add assetion methods for HTTP Requests to TestCase
      """
      hosts = []
  
      def assertGet(self, endpoint="", status_code=200, body=""):
          """
          Asserts GET requests on a given endpoint
          """
          for host in self.hosts:
              response = requests.get(host+endpoint)
              self.assertEqual(response.status_code, status_code)
              if isinstance(body, types.StringType):
                  self.assertIn(body, response.content)
              elif isinstance(body, list):
                  for content in body:
                      self.assertIn(content, response.content)
  
  
new_contents: import unittest
  
  import requests
  
  
  class TestCase(object):
      """
      Add assetion methods for HTTP Requests to TestCase
      """
      hosts = []
  
      def assertGet(self, endpoint="", status_code=200, body=""):
          """
          Asserts GET requests on a given endpoint
          """
          for host in self.hosts:
              response = requests.get(host+endpoint)
              self.assertEqual(response.status_code, status_code)
              if isinstance(body, str):
                  self.assertIn(body, response.content)
              elif isinstance(body, list):
                  for content in body:
                      self.assertIn(content, response.content)
  
  
subject: Change assertGet body check from StringType to str