Update app.py

app.py

@@ -1,8 +1,12 @@
 from pathlib import Path
 import gradio as gr
+import fitz
 
 def upload_file(filepath):
     name = Path(filepath).name
+    # load pdf
+    doc = fitz.open(filepath)
+    # now create the excel file
     return [gr.UploadButton(visible=False), gr.DownloadButton(label=f"Download {name}", value=filepath, visible=True)]
 
 def download_file():