fix bug when duplicated final results (#1456)

* fix bug for duplicated final results

src/sdk/pynni/nni/hyperopt_tuner/hyperopt_tuner.py

@@ -315,6 +315,10 @@ class HyperoptTuner(Tuner):
                 rval = self.CL_rval
             else:
                 rval = self.rval
+                # ignore duplicated reported final result (due to aware of intermedate result)
+                if parameter_id not in self.running_data:
+                    logger.info("Received duplicated final result with parameter id: %s", parameter_id)
+                    return
                 self.running_data.remove(parameter_id)
 
                 # update the reward of optimal_y