changes needed for SNMP docker upgrade to stretch build#23

Merged

jleveque merged 4 commits intosonic-net:masterfrom

samaity:pc_test_snmp_stretch

Mar 22, 2019

Commits on Feb 28, 2019

changes needed for SNMP docker upgrade to stretch build
samaity
committed

Commits on Mar 20, 2019

Add comments for all the modifications behind both python 2 and python 3 support
samaity
committed

Commits on Mar 21, 2019