[sgd] Cleanup code from last PR (#9076)

python/ray/util/sgd/tests/test_tensorflow.py

@@ -89,7 +89,6 @@ def test_save_and_restore(ray_start_2_cpus, num_replicas):  # noqa: F811
 
     model1.get_config()
     model2.get_config()
-    # assert _compare(model1_config, model2_config, skip_keys=["name"])
 
     model1_weights = model1.get_weights()
     model2_weights = model2.get_weights()
@@ -97,7 +96,6 @@ def test_save_and_restore(ray_start_2_cpus, num_replicas):  # noqa: F811
 
     model1.optimizer.get_weights()
     model2.optimizer.get_weights()
-    # assert _compare(model1_opt_weights, model2_opt_weights)
 
 
 def _compare(d1, d2, skip_keys=None):

python/ray/util/sgd/tf/tf_runner.py

@@ -139,13 +139,6 @@ class TFRunner:
         self.model = self.model_creator(self.config)
         self.epoch = state["epoch"]
         self.model.set_weights(state["weights"])
-        # This part is due to ray.get() changing scalar np.int64 object to int
-        # state["optimizer_weights"][0] = np.array(
-        #     state["optimizer_weights"][0], dtype=np.int64)
-
-        # if self.model.optimizer.weights == []:
-        #     self.model.make_train_function()
-        # self.model.optimizer.set_weights(state["optimizer_weights"])
 
     def shutdown(self):
         """Attempts to shut down the worker."""

python/ray/util/sgd/tf/tf_trainer.py

@@ -154,14 +154,6 @@ class TFTrainer:
 
         model = self.model_creator(self.config)
         model.set_weights(state["weights"])
-
-        # This part is due to ray.get() changing scalar np.int64 object to int
-        # state["optimizer_weights"][0] = np.array(
-        #     state["optimizer_weights"][0], dtype=np.int64)
-
-        # model.make_train_function()
-        # model.optimizer.set_weights(state["optimizer_weights"])
-
         return model