--- a/devtools/fake.py	Sat Oct 09 00:05:50 2010 +0200
+++ b/devtools/fake.py	Sat Oct 09 00:05:52 2010 +0200
@@ -170,6 +170,7 @@
         self.config = config or FakeConfig()
         self.vreg = vreg or CubicWebVRegistry(self.config, initlog=False)
         self.vreg.schema = schema
+        self.sources = []
 
     def internal_session(self):
         return FakeSession(self)