Update app.py

app.py

@@ -29,6 +29,7 @@ tensor_to_image = ToPILImage()
 def run_fn(pdf_file_obj, question_text, input_topk):
     
     pdf = pdf_file_obj.name
+    print('Running PDF: {0}'.format(pdf)
     viz_images = dit_runner.get_dit_preds(pdf, score_threshold=0.5)
     entity_json = '{0}.json'.format(Path(pdf).name[:-4])