fixed how worker_is was being accessed in serve_hit view
fixed how worker_is was being accessed in serve_hit view

expfactory/expfactory-docker,expfactory/expfactory-docker,vsoch/expfactory-docker,vsoch/expfactory-docker,vsoch/expfactory-docker,expfactory/expfactory-docker,expfactory/expfactory-docker,vsoch/expfactory-docker