[ERROR] /home/a3/devstack/inc/python:37 Unable to find pip2.7; cannot continue
++./stack.sh:main:724 err_trap
++./stack.sh:err_trap:510 local r=1
++./stack.sh:err_trap:511 set +o xtrace
stack.sh failed
Error on exit
./stack.sh: line 494: generate-subunit: command not found