Remove decode, change stringio version

mapentity/tests.py

@@ -7,7 +7,7 @@
 import shutil
 import time
 from datetime import datetime
-from io import StringIO
+from StringIO import StringIO
 
 import requests
 from django.conf import settings
@@ -152,7 +152,7 @@ def test_no_html_in_csv(self):
         self.assertEqual(response.get('Content-Type'), 'text/csv')
 
         # Read the csv
-        lines = list(csv.reader(StringIO(response.content.decode('utf-8')), delimiter=','))
+        lines = list(csv.reader(StringIO(response.content), delimiter=','))
 
         # There should be one more line in the csv than in the items: this is the header line
         self.assertEqual(len(lines), self.model.objects.all().count() + 1)