Fixes: Snh_GreenletObjectReq Introspect request fails for all processes
Fixes: Snh_GreenletObjectReq Introspect request fails for all processes

obj is a hybrid property and needs explicit checking
for None.

Change-Id: I1f01a0501c947473369575f92d46ca13056590e2
Closes-Bug: 1671906

eonpatapon/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller