Update app.py

app.py

@@ -238,6 +238,9 @@ css = """
 /* Add your custom CSS here */
 """
 
+# Define the checkbox outside the demo block
+use_web_search = gr.Checkbox(label="Use Web Search", value=False)
+
 demo = gr.ChatInterface(
     respond,
     additional_inputs=[
@@ -281,9 +284,6 @@ demo = gr.ChatInterface(
 with demo:
     gr.Markdown("## Upload PDF Documents")
 
-    #Add the checkbox here
-    use_web_search = gr.Checkbox(label="Use Web Search", value=False)
-    
     with gr.Row():
         file_input = gr.Files(label="Upload your PDF documents", file_types=[".pdf"])
         parser_dropdown = gr.Dropdown(choices=["pypdf", "llamaparse"], label="Select PDF Parser", value="llamaparse")