delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
creds.append(delegated_cred)
server = self.get_server_from_opts(opts)
- return server.DeleteSliver(slice_urn, creds)
+ return server.DeleteSliver(slice_urn, creds, unique_call_id())
# start named slice
def start(self, opts, args):