Fix importlib and unittest import errors

compressor/tests/test_jinja2ext.py

@@ -2,9 +2,10 @@
 from __future__ import with_statement, unicode_literals
 
 import sys
+import unittest
 
 from django.test import TestCase
-from django.utils import unittest, six
+from django.utils import six
 from django.test.utils import override_settings
 
 from compressor.conf import settings

compressor/tests/test_offline.py

@@ -2,13 +2,14 @@ from __future__ import with_statement, unicode_literals
 import io
 import os
 import sys
+import unittest
+from importlib import import_module
 
 import django
 from django.core.management.base import CommandError
 from django.template import Template, Context
 from django.test import TestCase
-from django.utils import six, unittest
-from django.utils.importlib import import_module
+from django.utils import six
 
 from compressor.cache import flush_offline_manifest, get_offline_manifest
 from compressor.conf import settings

compressor/tests/test_parsers.py

@@ -1,5 +1,6 @@
 from __future__ import with_statement
 import os
+import unittest
 
 try:
     import lxml
@@ -11,7 +12,6 @@ try:
 except ImportError:
     html5lib = None
 
-from django.utils import unittest
 from django.test.utils import override_settings
 
 from compressor.base import SOURCE_HUNK, SOURCE_FILE

compressor/tests/test_utils.py

@@ -1,4 +1,5 @@
-from django.utils import unittest
+import unittest
+
 from django.test import TestCase
 from django.test.utils import override_settings
 from django.conf import settings

requirements/tests.txt

@@ -5,7 +5,6 @@ mock==1.0.1
 Jinja2==2.7.3
 lxml==3.4.2
 beautifulsoup4==4.4.0
-unittest2==1.0.0
 jingo==0.7
 django-sekizai==0.9.0
 django-overextends==0.4.0

tox.ini

@@ -7,7 +7,6 @@ two =
     Jinja2==2.7.3
     lxml==3.4.2
     beautifulsoup4==4.4.0
-    unittest2==1.0.0
     jingo==0.7
     django-sekizai==0.9.0
     django-overextends==0.4.0