Fix Gradio compatibility: downgrade to 4.20.0 and fix HF Spaces deployment

README.md

@@ -4,7 +4,7 @@ emoji: 🤖
 colorFrom: blue
 colorTo: purple
 sdk: gradio
-sdk_version: "4.44.1"
+sdk_version: "4.20.0"
 app_file: app.py
 pinned: false
 ---

app.py

@@ -2654,11 +2654,13 @@ if __name__ == "__main__":
     import os
     # For Hugging Face Spaces, bind to 0.0.0.0; for local dev, use 127.0.0.1
     # HF Spaces sets SPACE_ID environment variable
-    server_name = "0.0.0.0" if os.getenv("SPACE_ID") else "127.0.0.1"
+    is_hf_space = os.getenv("SPACE_ID") is not None
+    server_name = "0.0.0.0" if is_hf_space else "127.0.0.1"
     
     demo.launch(
         server_name=server_name,
         server_port=7860,
-        share=False
+        share=False,
+        show_error=True
     )
 

requirements.txt

@@ -12,6 +12,6 @@ duckduckgo-search
 PyPDF2
 python-docx
 python-multipart
-gradio>=4.44.1
+gradio==4.20.0
 requests>=2.31.0
 plotly>=5.0.0