FIX using pylint for python2.

apps/base/tests/utils.py

@@ -8,5 +8,6 @@ def mkdtemp(prefix):
     dirname = os.path.dirname
     pkg_base_dir = dirname(dirname(dirname(__file__)))
     tmp_dir = os.path.join(pkg_base_dir, 'tmp')
-    os.makedirs(tmp_dir, exist_ok=True)
+    # os.makedirs(tmp_dir, exist_ok=True)
+    os.makedirs(tmp_dir)
     return _mkdtmp(prefix=prefix, dir=tmp_dir)

apps/base/urls.py

@@ -5,7 +5,7 @@ from django.conf.urls import url
 
 from . import views
 
-urlpatterns = [
+urlpatterns = [  # pylint: disable=invalid-name
     url(r'^$', views.RootView.as_view(), name='root'),
     url(r'^djangoadmin/', admin.site.urls),
 ]