Update src/cuda/huggingface/setup_environment.sh

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: William-An

src/cuda/huggingface/setup_environment.sh

@@ -4,7 +4,7 @@
 # Check if we are already in a virtual environment
 if [ -n "$VIRTUAL_ENV" ]; then
     echo "Already in a virtual environment, skipping setup"
-    return 0
+    exit 0
 fi
 
 # Get the location of this script when sourcing