Remove Ray initialization from hyperparameter tuning tutorial and update code block formatting from text to bash.

Ricardo Decal · Ricardo Decal · commit 10566e349ef1 · 2025-12-09T15:29:14.000-08:00
diff --git a/beginner_source/hyperparameter_tuning_tutorial.py b/beginner_source/hyperparameter_tuning_tutorial.py
@@ -452,7 +452,6 @@ def test_accuracy(net, device="cpu"):
 
 def main(num_trials=10, max_num_epochs=10, gpus_per_trial=2):
     print("Starting hyperparameter tuning.")
-    ray.init(include_dashboard=False, runtime_env={"RAY_enable_open_telemetry": "0"})
     
     data_dir = os.path.abspath("./data")
     load_data(data_dir)
@@ -514,7 +513,7 @@ def main(num_trials=10, max_num_epochs=10, gpus_per_trial=2):
 ######################################################################
 # If you run the code, an example output could look like this:
 #
-# .. code-block:: text
+# .. code-block:: bash
 #
 #    Number of trials: 10/10 (10 TERMINATED)
 #    +-----+--------------+------+------+-------------+--------+---------+------------+

Original file line number	Diff line number	Diff line change
`@@ -452,7 +452,6 @@ def test_accuracy(net, device="cpu"):`
`452`	`452`
`453`	`453`	`def main(num_trials=10, max_num_epochs=10, gpus_per_trial=2):`
`454`	`454`	`print("Starting hyperparameter tuning.")`
`455`		`- ray.init(include_dashboard=False, runtime_env={"RAY_enable_open_telemetry": "0"})`
`456`	`455`
`457`	`456`	`data_dir = os.path.abspath("./data")`
`458`	`457`	`load_data(data_dir)`
`@@ -514,7 +513,7 @@ def main(num_trials=10, max_num_epochs=10, gpus_per_trial=2):`
`514`	`513`	`######################################################################`
`515`	`514`	`# If you run the code, an example output could look like this:`
`516`	`515`	`#`
`517`		`-# .. code-block:: text`
	`516`	`+# .. code-block:: bash`
`518`	`517`	`#`
`519`	`518`	`# Number of trials: 10/10 (10 TERMINATED)`
`520`	`519`	`# +-----+--------------+------+------+-------------+--------+---------+------------+`