1 files changed, 3 insertions, 3 deletions
diff --git a/examples/upsidedownternet.py b/examples/upsidedownternet.py
index b7489cb6..9aac9f05 100644
--- a/examples/upsidedownternet.py
+++ b/examples/upsidedownternet.py
@@ -1,4 +1,4 @@
-import cStringIO
+from six.moves import cStringIO as StringIO
 from PIL import Image
 from mitmproxy.models import decoded
 
@@ -7,9 +7,9 @@ def response(context, flow):
     if flow.response.headers.get("content-type", "").startswith("image"):
         with decoded(flow.response):  # automatically decode gzipped responses.
             try:
-                s = cStringIO.StringIO(flow.response.content)
+                s = StringIO(flow.response.content)
                 img = Image.open(s).rotate(180)
-                s2 = cStringIO.StringIO()
+                s2 = StringIO()
                 img.save(s2, "png")
                 flow.response.content = s2.getvalue()
                 flow.response.headers["content-type"] = "image/png"