Solve the x-net problem on no permission.

app.py

@@ -16,7 +16,8 @@ import requests
 from io import BytesIO
 import zipfile
 
-# Fix the HF space permission error when using from_pretrained(..., trust_remote_code=True)
+# Fix the HF space permission error -- redirect ALL HF cache to a writable location
+os.environ["HF_HOME"] = "/tmp/hf_cache"
 os.environ["HF_MODULES_CACHE"] = os.path.join("/tmp/hf_cache", "modules")
 
 import transformers