Removed an unused import and a flake8 exclude that caused it to be missed.

setup.cfg

@@ -3,7 +3,7 @@ doc_files = docs extras AUTHORS INSTALL LICENSE README.rst
 install-script = scripts/rpm-install.sh
 
 [flake8]
-exclude=build,.git,./django/utils/lru_cache.py,./django/utils/six.py,./django/conf/app_template/*,./django/dispatch/weakref_backports.py,./tests/.env,./xmlrunner,./tests/test_*.py
+exclude=build,.git,./django/utils/lru_cache.py,./django/utils/six.py,./django/conf/app_template/*,./django/dispatch/weakref_backports.py,./tests/.env,./xmlrunner
 ignore=E123,E128,E265,E501,W601
 max-line-length = 119
 

tests/test_client_regress/tests.py

@@ -13,7 +13,7 @@ from django.test import Client, TestCase, ignore_warnings, override_settings
 from django.test.client import RedirectCycleError, RequestFactory, encode_file
 from django.test.utils import ContextList, str_prefix
 from django.template.response import SimpleTemplateResponse
-from django.utils.deprecation import RemovedInDjango19Warning, RemovedInDjango20Warning
+from django.utils.deprecation import RemovedInDjango20Warning
 from django.utils._os import upath
 from django.utils.translation import ugettext_lazy
 from django.http import HttpResponse