python

   print 'exception',inst
    sys.exit(MAIN_ERROR)

index=child.expect(keys)
print index,'index'
if index == 3:
    child.close()
    sys.exit(TIME_OUT_ERROR)

if index == 4:
    child.close()
    sys.exit(SSH_CON_ERROR)

print "input yes"

if index == 0:
    child.sendline('yes')
    index = child.expect(keys)

if index == 3:
    child.close()
    sys.exit(TIME_OUT_ERROR)