1 files changed, 16 insertions, 0 deletions
diff --git a/Lib/test/test_unittest/testmock/support.py b/Lib/test/test_unittest/testmock/support.py
new file mode 100644
index 0000000..49986d6
--- /dev/null
+++ b/Lib/test/test_unittest/testmock/support.py
@@ -0,0 +1,16 @@
+target = {'foo': 'FOO'}
+
+
+def is_instance(obj, klass):
+    """Version of is_instance that doesn't access __class__"""
+    return issubclass(type(obj), klass)
+
+
+class SomeClass(object):
+    class_attribute = None
+
+    def wibble(self): pass
+
+
+class X(object):
+    pass