Added virtualenv back into install process

python_apps/pypo/bin/airtime-playout

@@ -3,13 +3,6 @@
 virtualenv_bin="/usr/lib/airtime/airtime_virtualenv/bin/"
 . ${virtualenv_bin}activate
 
-# Absolute path to this script
-SCRIPT=`readlink -f $0`
-# Absolute directory this script is in
-pypo_path=`dirname $SCRIPT`
-
-cd ${pypo_path}
-
 set +e
 cat /etc/default/locale | grep -i "LANG=.*UTF-\?8" > /dev/null
 set -e
@@ -23,4 +16,4 @@ export PYTHONPATH=/usr/lib/airtime/:$PYTHONPATH
 export LC_ALL=`cat /etc/default/locale | grep "LANG=" | cut -d= -f2 | tr -d "\n\""`
 export TERM=xterm
 
-exec python ${pypo_path}/pypocli.py > /var/log/airtime/pypo/py-interpreter.log 2>&1
+exec python /usr/lib/airtime/pypo/bin/pypocli.py > /var/log/airtime/pypo/py-interpreter.log 2>&1