test_serve_static_with_staticfiles_app: remove unused imports

Author: blueyed

tests/test_fixtures.py

@@ -417,13 +417,12 @@ def test_serve_static_with_staticfiles_app(self, django_testdir, settings):
         """
         django_testdir.create_test_module(
             """
-            import pytest
             from django.utils.encoding import force_str
 
             try:
-                from urllib2 import urlopen, HTTPError
+                from urllib2 import urlopen
             except ImportError:
-                from urllib.request import urlopen, HTTPError
+                from urllib.request import urlopen
 
             class TestLiveServer:
                 def test_a(self, live_server, settings):