Update app.py

app.py

@@ -2,6 +2,7 @@ import pandas as pd
 import numpy as np
 import gradio as gr
 import faiss
+import sys
 from sentence_transformers import SentenceTransformer
 from huggingface_hub import InferenceClient
 
@@ -39,7 +40,8 @@ def generate_answer(messages):
 Question: {user_query}
 Answer:"""
 
-        print("Prompt sent to model:\n", prompt)
+        sys.stderr.write(f"Prompt sent to model:\n{prompt}\n")
+        sys.stderr.flush()
 
         response = client.text_generation(
             prompt,
@@ -50,7 +52,8 @@ Answer:"""
         return {"role": "assistant", "content": response.strip()}
 
     except Exception as e:
-        print("Error during inference:", e)
+        sys.stderr.write(f"Error during inference: {type(e).__name__}: {e}\n")
+        sys.stderr.flush()
         return {"role": "assistant", "content": "An internal error occurred. Please try again."}
 
 # --- Gradio Chat Interface ---