Update app.py

app.py

@@ -123,7 +123,7 @@ with gr.Blocks(theme=gr.themes.Soft(), css=formatted_css) as block_demo:
 
             files = gr.File(label="Upload Files", file_count="multiple",
                             file_types=[".docx", ".pdf", ".csv", ".txt", ".xml", ".json",".pptx"], elem_id="file")
-
+            br = gr.Textbox(visible=False)
             submit_button = gr.Button(value="Submit", elem_id="button")
 
             status = gr.Markdown(
@@ -132,7 +132,7 @@ with gr.Blocks(theme=gr.themes.Soft(), css=formatted_css) as block_demo:
 
     #
     submit_button.click(
-        handleSubmit, [files,brain], status,api_name="upload")
+        handleSubmit, [files,br], status,api_name="upload")
 
     block_demo.load(checkAuth, inputs=status, outputs=[myrow,brain],
                     _js=get_window_url_params)