Pin huggingface_hub<1.0 for Gradio 4.44 compatibility

requirements.txt

@@ -7,7 +7,8 @@ opencv-python-headless>=4.8.0
 pillow>=10.0.0
 numpy>=1.23.0
 pyyaml>=6.0
-huggingface_hub>=0.23.0
+# Gradio 4.44 needs HfFolder (removed in huggingface_hub 1.x)
+huggingface_hub>=0.23.0,<1.0
 matplotlib>=3.7.0
 scipy>=1.10.0
 psutil>=5.9.0

setup.sh

@@ -2,6 +2,9 @@
 # Hugging Face Spaces: install vendored custom Ultralytics before app starts.
 set -euo pipefail
 cd "$(dirname "$0")"
+# HF base image may install huggingface_hub 1.x; Gradio 4.44 needs <1.0 (HfFolder)
+pip install -q "huggingface_hub>=0.23.0,<1.0"
+
 if [[ -d vendor ]]; then
   pip install -q -e ./vendor
   echo "Installed custom ultralytics from ./vendor"