prevent 500 error if /tmp/observer_last_run does not exist
prevent 500 error if /tmp/observer_last_run does not exist

jermowery/xos,jermowery/xos,xmaruto/mcord,cboling/xos,xmaruto/mcord,jermowery/xos,jermowery/xos,cboling/xos,xmaruto/mcord,cboling/xos,cboling/xos,cboling/xos,xmaruto/mcord