assertEquals -> assertEqual

Fixes #226

Author: rocky

mathics_django/test_django.py

@@ -5,7 +5,7 @@
 class HomePageTests(SimpleTestCase):
     def test_home_page_status_code(self):
         response = self.client.get("/")
-        self.assertEquals(response.status_code, 200)
+        self.assertEqual(response.status_code, 200)
 
     def test_home_page_does_not_contain_incorrect_html(self):
         response = self.client.get("/")