Update app.py

app.py

@@ -94,6 +94,8 @@ with st.container():
   """)    
 
   with gr.Blocks() as demo:
+    pdf_upload1 = gr.UploadButton("📁 Upload PDF 1", file_types=[".pdf"])  # Define pdf_upload1
+
     # ... (rest of your interface creation)
 
     txt = gr.Textbox(label="Enter your query", placeholder="Ask a question...")     
@@ -102,17 +104,18 @@ with st.container():
     @submit_btn.click()
     def on_submit():
       add_text(chatbot, txt)
-      generate_response(chatbot, txt, pdf_upload1)
-      render_file(pdf_upload1)
+      generate_response(chatbot, txt, pdf_upload1)  # Use pdf_upload1 here
+      render_file(pdf_upload1)  # Use pdf_upload1 here
 
 if __name__ == "__main__":     
   gr.Interface(         
     [render_first, add_text, generate_response, render_file],         
-    [pdf_upload1, chatbot, txt, pdf_upload2, pdf_upload3],        
+    [pdf_upload1, chatbot, txt],  # Include pdf_upload1 here   
     [show_img, chatbot, txt],   
     title="PDF-Powered Chatbot"     
   ).launch() 
  
+