diff --git a/sw_dev/python/rnd/doc/language_processing/hugging_face_usage_guide.txt b/sw_dev/python/rnd/doc/language_processing/hugging_face_usage_guide.txt
index 45d9a5fd..b9adcf37 100644
--- a/sw_dev/python/rnd/doc/language_processing/hugging_face_usage_guide.txt
+++ b/sw_dev/python/rnd/doc/language_processing/hugging_face_usage_guide.txt
@@ -12,6 +12,7 @@
 
 	- Directory.
 		~/.cache/huggingface
+		%USERPROFILE%/.cache/huggingface
 
 [-] Installation.
 	- Install.
diff --git a/sw_dev/python/rnd/test/machine_vision/depth_estimation_test.py b/sw_dev/python/rnd/test/machine_vision/depth_estimation_test.py
index e61c3f3f..34ff9fd8 100644
--- a/sw_dev/python/rnd/test/machine_vision/depth_estimation_test.py
+++ b/sw_dev/python/rnd/test/machine_vision/depth_estimation_test.py
@@ -246,6 +246,13 @@ def zoe_depth_example():
 
 # REF [site] >> https://github.com/lpiccinelli-eth/UniDepth
 def unidepth_example():
+	# Install:
+	#	git clone https://github.com/lpiccinelli-eth/UniDepth
+	#	cd ${UniDepth_HOME}
+	#	pip install -e .
+
+	import torch
+
 	import numpy as np
 	from PIL import Image
 	from unidepth.models import UniDepthV1, UniDepthV2