python -> pypy

frameworks/Python/tornado/setup_pypy.sh

@@ -4,4 +4,4 @@ fw_depends mongodb pypy
 
 pip install --install-option="--prefix=${PYPY_ROOT}" -r $TROOT/requirements_mongo.txt
 
-python server_py2.py --port=8080 --mongo=$DBHOST --logging=error &
+pypy server_py2.py --port=8080 --mongo=$DBHOST --logging=error &