fix test runner in Py2.4

1 files changed, 2 insertions, 0 deletions

diff --git a/runtests.py b/runtests.py
index f61a44036..aad79a5a3 100755
--- a/runtests.py
+++ b/runtests.py
@@ -56,6 +56,8 @@ except ImportError:
             return self._dict[key]
         def __setitem__(self, key, value):
             self._dict[key] = value
+        def __contains__(self, key):
+            return key in self._dict
         def __repr__(self):
             return repr(self._dict)
         def __nonzero__(self):