[1.10.x] Fixed flake8 2.6 warnings.

Backport of ea34426ae789d31b036f58c8fd59ce299649e91e from master

2 files changed, 9 insertions, 11 deletions

diff --git a/tests/postgres_tests/migrations/0002_create_test_models.py b/tests/postgres_tests/migrations/0002_create_test_models.py
index 3e6cbac246..69c5b17f77 100644
--- a/tests/postgres_tests/migrations/0002_create_test_models.py
+++ b/tests/postgres_tests/migrations/0002_create_test_models.py
@@ -3,7 +3,11 @@ from __future__ import unicode_literals
 
 from django.db import migrations, models
 
-from ..fields import *  # NOQA
+from ..fields import (
+    ArrayField, BigIntegerRangeField, DateRangeField, DateTimeRangeField,
+    FloatRangeField, HStoreField, IntegerRangeField, JSONField,
+    SearchVectorField,
+)
 from ..models import TagField
 
 
diff --git a/tests/servers/tests.py b/tests/servers/tests.py
index 39faba2023..57573622b0 100644
--- a/tests/servers/tests.py
+++ b/tests/servers/tests.py
@@ -104,12 +104,9 @@ class LiveServerViews(LiveServerBase):
         Ensure that the LiveServerTestCase serves 404s.
         Refs #2879.
         """
-        try:
+        with self.assertRaises(HTTPError) as err:
             self.urlopen('/')
-        except HTTPError as err:
-            self.assertEqual(err.code, 404, 'Expected 404 response')
-        else:
-            self.fail('Expected 404 response')
+        self.assertEqual(err.exception.code, 404, 'Expected 404 response')
 
     def test_view(self):
         """
@@ -133,12 +130,9 @@ class LiveServerViews(LiveServerBase):
         tries to access a static file that isn't explicitly put under
         STATIC_ROOT.
         """
-        try:
+        with self.assertRaises(HTTPError) as err:
             self.urlopen('/static/another_app/another_app_static_file.txt')
-        except HTTPError as err:
-            self.assertEqual(err.code, 404, 'Expected 404 response')
-        else:
-            self.fail('Expected 404 response (got %d)' % err.code)
+        self.assertEqual(err.exception.code, 404, 'Expected 404 response')
 
     def test_media_files(self):
         """