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--- a/requirements-common.txt
+++ b/requirements-common.txt
@@ -40,6 +40,7 @@
 textile==2.1.5
 # dep of colander
 translationstring==0.4
+TimerMiddleware==0.2
 TurboGears2==2.1.3
 # part of the stdlib, but with a version number.  see http://guide.python-distribute.org/pip.html#listing-installed-packages
 wsgiref==0.1.2