Update app.py

app.py

@@ -89,12 +89,13 @@ def app_outputs(uploaded_pdf):
             images = images[:max_imgboxes]
             df = dict(itertools.islice(df.items(), max_imgboxes))
 
-        # save 
         csv_files = list()
         for i in range(max_imgboxes):
             csv_file = f"csv_{i}_" + filename.replace(".pdf", ".csv")
-            csv_files.append(gr.File.update(value=csv_file, visible=True))
-            df[i].to_csv(csv_file, encoding="utf-8", index=False)
+            if not os.path.exists(csv_file):
+               os.makedirs(os.path.dirname(csv_file))
+               csv_files.append(gr.File(value=csv_file, visible=True))  # Create new File instances
+               df[i].to_csv(csv_file, encoding="utf-8", index=False)
 
     else:  
         img_files, images, csv_files = [""]*max_imgboxes, [""]*max_imgboxes, [""]*max_imgboxes