Update app.py

app.py

@@ -83,4 +83,7 @@ if __name__ == '__main__':
                                'num_papers':session_data['num_papers']})
         elif session_data['arxiv_ids'] != '':
             run_kwargs.update({'arxiv_ids':[id.strip() for id in session_data['arxiv_ids'].split(',')]})
-        run_survey(**run_kwargs)
+        try:
+            run_survey(**run_kwargs)
+        except:
+            pass