update comment

Signed-off-by: helenxie-bit <[email protected]>

Makefile

@@ -160,8 +160,8 @@ prepare-pytest:
 	pip install --prefer-binary -r cmd/suggestion/pbt/v1beta1/requirements.txt
 	pip install --prefer-binary -r cmd/earlystopping/medianstop/v1beta1/requirements.txt
 	pip install --prefer-binary -r cmd/metricscollector/v1beta1/tfevent-metricscollector/requirements.txt
-	# The sqlalchemy on which optuna depends requires typing-extensions>=4.6.0.
-	# REF: https://github.com/kubeflow/katib/pull/2251
+	# `TypeIs` was introduced in typing-extensions 4.10.0, and torch 2.6.0 requires typing-extensions>=4.10.0.
+	# REF: https://github.com/kubeflow/katib/pull/2504
 	# TODO (tenzen-y): Once we upgrade libraries depended on typing-extensions==4.5.0, we can remove this line.
 	pip install typing-extensions==4.10.0