update dmlc_ssh.py
update dmlc_ssh.py

shilad/ps-lite,xcgoner/ps-lite-new,shilad/ps-lite,xcgoner/ps-lite-new,dmlc/ps-lite,dmlc/ps-lite,shilad/ps-lite,dmlc/ps-lite,xcgoner/ps-lite-new,xcgoner/ps-lite-new,dmlc/ps-lite