Get Python 2.6 working.

Signed-off-by: Dan O'Reilly <oreilldf@gmail.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/python/google/protobuf/internal/_parameterized.py b/python/google/protobuf/internal/_parameterized.py
index 3002b230..6c5a2bac 100755
--- a/python/google/protobuf/internal/_parameterized.py
+++ b/python/google/protobuf/internal/_parameterized.py
@@ -149,7 +149,10 @@ import collections
 import functools
 import re
 import types
-import unittest
+try:
+  import unittest2 as unittest
+except ImportError:
+  import unittest
 import uuid
 
 import six