--- run_tests.sh-old	2012-09-10 21:52:59.596948792 +0000
+++ run_tests.sh	2012-09-10 21:45:28.898614319 +0000
@@ -244,6 +244,7 @@
 
 function install_venv {
   # Install with install_venv.py
+  export VIRTUALENV_DISTRIBUTE=true
   export PIP_DOWNLOAD_CACHE=${PIP_DOWNLOAD_CACHE-/tmp/.pip_download_cache}
   export PIP_USE_MIRRORS=true
   if [ $quiet -eq 1 ]; then