Yes,
rpc.init_rpc(my_name, rank=rank, world_size=size, rpc_backend_options=rpc.ProcessGroupRpcBackendOptions(num_send_recv_threads=16,datetime.timedelta(seconds=1000)))  # initial_rpc


Output:
    rpc.init_rpc(my_name, rank=rank, world_size=size, rpc_backend_options=rpc.ProcessGroupRpcBackendOptions(num_send_recv_threads=16,datetime.timedelta(seconds=1000)))  # initial_rpc
                                                                                                                                    ^
SyntaxError: positional argument follows keyword argument