PEP8 cleanup

Signed-off-by: Jason Myers <jason@jasonamyers.com>

tests/middleware_exceptions/views.py

@@ -7,20 +7,26 @@ from django.template.response import TemplateResponse
 def normal_view(request):
     return http.HttpResponse('OK')
 
+
 def template_response(request):
     return TemplateResponse(request, Template('OK'))
 
+
 def template_response_error(request):
     return TemplateResponse(request, Template('{%'))
 
+
 def not_found(request):
     raise http.Http404()
 
+
 def server_error(request):
     raise Exception('Error in view')
 
+
 def null_view(request):
     return None
 
+
 def permission_denied(request):
     raise PermissionDenied()