Fix async loop via nest_asyncio and add to requirements

app.py

@@ -1,14 +1,18 @@
 import os
-# Redirect HOME so Streamlit can write config without root permission
+# Redirect HOME so Streamlit can write config without root permissions
 os.environ["HOME"] = "/tmp"
-# Disable usage stats to avoid writing to protected dirs
 os.environ["STREAMLIT_GATHER_USAGE_STATS"] = "false"
+os.environ["STREAMLIT_CONFIG_DIR"] = "/tmp/.streamlit"
+os.environ["STREAMLIT_CACHE_DIR"] = "/tmp/.streamlit"
+
+# Patch asyncio event loop to avoid RuntimeError in Streamlit
+import nest_asyncio
+nest_asyncio.apply()
 
 import streamlit as st
 import requests
 import pandas as pd
 
-# Page config
 st.set_page_config(page_title="ExtraaLearn Lead Converter", layout="centered")
 st.title("🎓 ExtraaLearn Lead Conversion")
 st.write("Enter lead details and click Predict.")
@@ -45,8 +49,7 @@ if st.button("Predict"):
         "referral": int(referral),
         "last_activity": last_act
     }
-    # Call the backend predict endpoint
-    resp = requests.post("https://huggingface.co/spaces/singhina/ExtraaLeanBackend/predict", json=payload)
+    resp = requests.post("$BACKEND_URL", json=payload)
     if resp.ok:
         res = resp.json()
         st.success(f"Conversion: {res['prediction']} (Prob: {res['probability']:.2f})")

requirements.txt

@@ -1,3 +1,4 @@
-streamlit
-requests
-pandas
+streamlit>=1.0
+nest_asyncio
+requests>=2.0
+pandas>=1.0