Update app.py

app.py

@@ -147,6 +147,13 @@ import streamlit as st
 
 # demo.launch(server_port=7861) 
 
+def render_first(pdf_file): 
+    # ... Logic to process the PDF (extract text, create summary, etc.)
+    # ... Generate a simple image as a placeholder
+    image = Image.new('RGB', (600, 400), color = 'white') # Example
+
+    return image
+
 st.title("PDF-Powered Chatbot")  # Add a title
 
 # Gradio interface with Streamlit containers