Update k8s manage command
-kubectl exec -it -n polyaxon --container=polyaxon-api $(kubectl get pods -n polyaxon | grep api | awk '{print $1}') -- python3 ./manage.py $*
+kubectl exec -it -n polyaxon --container=polyaxon-api $(kubectl get pods -n polyaxon | grep api | awk '{print $1}') -- python3 polyaxon/manage.py $*
