JSONRPCClient.call recieved optional `params` value,
but then `params` was used in `json.dumps` function (line #159)
as a dictionary, so `None` was treated as dictionary
in some cases, which resulted in TypeError.
This patch fixes above issue by changing
the default value from `None` to `{}`.
Change-Id: I27ca0ccc2d970c0ff9e8117f02203c03e417adf0
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/462070
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
60bf34d1f0