Handle the Error Messages

app.py

@@ -2,14 +2,13 @@ import gradio as gr
 import os
 import tempfile
 from typing import List
-
 import PyPDF2
 from sentence_transformers import SentenceTransformer
 import numpy as np
 from sklearn.metrics.pairwise import cosine_similarity
 
 from groq import Groq
-
+embedder = SentenceTransformer("all-MiniLM-L6-v2")
 # -----------------------------
 # Configuration
 # -----------------------------
@@ -141,14 +140,13 @@ with gr.Blocks(title="Enhanced RAG Chatbot") as demo:
     gr.Markdown("## 📚 Enhanced RAG-Based Chatbot (PDF QA)")
     gr.Markdown("Upload multiple PDFs and ask questions based on their content.")
 
-    with gr.Row():
-        pdf_files = gr.File(
-            label="Upload PDF Files",
-            file_types=[".pdf"],
-            file_count="multiple"
-        )
+    pdf_files = gr.File(
+        label="Upload PDF Files",
+        file_types=[".pdf"],
+        file_count="multiple"
+    )
 
-    chatbot = gr.Chatbot()
+    chatbot = gr.Chatbot(type="messages")
     question = gr.Textbox(label="Ask a question")
     state = gr.State([])
 
@@ -160,4 +158,5 @@ with gr.Blocks(title="Enhanced RAG Chatbot") as demo:
         outputs=[chatbot, chatbot]
     )
 
+
 demo.launch()