ac0824b2d8
If user calls rpc.py with no parameters, it currently hangs, waiting for input. It should print help in this case instead. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I5939999c57b8db0916267935d79ccc1a3201748b Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453431 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>