Updated Report class in examples to adapt the change in the simple.Report class. (#152)

* Fixed attribute error in fedsarah_client.py

* Update report attribute in axiothea_client.py

Author: cuiboyuan

examples/axiothea/axiothea_client.py

@@ -29,4 +29,4 @@ async def train(self):
         report, weights = await super().train()
 
         return Report(report.num_samples, report.accuracy,
-                      report.training_time, report.data_loading_time), weights
+                      report.training_time, report.update_response), weights

examples/fedsarah/fedsarah_client.py

@@ -48,7 +48,7 @@ async def train(self):
         fn = f"new_client_control_variates_{self.client_id}.pth"
         os.remove(fn)
         return Report(report.num_samples, report.accuracy,
-                      report.training_time, report.data_loading_time,
+                      report.training_time, report.update_response,
                       2), [weights, self.client_control_variates]
 
     def load_payload(self, server_payload):