diff --git a/docbow_project/docbow/unicodecsv.py b/docbow_project/docbow/unicodecsv.py
index 1d74bb6..619ccee 100644
--- a/docbow_project/docbow/unicodecsv.py
+++ b/docbow_project/docbow/unicodecsv.py
@@ -2,7 +2,7 @@
 # Author: simon
 import csv
 from django.utils.encoding import force_str, force_text
-from django.utils.six import StringIO
+from io import StringIO
 
 
 class UnicodeWriter(object):
diff --git a/tests/pfwb/test_pfwb.py b/tests/pfwb/test_pfwb.py
index e7d05ca..9abf139 100644
--- a/tests/pfwb/test_pfwb.py
+++ b/tests/pfwb/test_pfwb.py
@@ -5,13 +5,13 @@ when you run "manage.py test".
 Replace this with more appropriate tests for your application.
 """
 
+from io import StringIO
 import tempfile
 import sys
 from contextlib import contextmanager
 from functools import wraps
 
 from django.utils.encoding import force_bytes, force_text
-from django.utils.six import StringIO
 
 
 import mock
diff --git a/tests/pw/test_pw.py b/tests/pw/test_pw.py
index b89c11a..38b954a 100644
--- a/tests/pw/test_pw.py
+++ b/tests/pw/test_pw.py
@@ -6,13 +6,13 @@ when you run "manage.py test".
 Replace this with more appropriate tests for your application.
 """
 
+from io import StringIO
 import tempfile
 import sys
 from contextlib import contextmanager
 from functools import wraps
 
 from django.utils.encoding import force_bytes, force_text
-from django.utils.six import StringIO
 
 MEDIA_ROOT = tempfile.mkdtemp()