Removing auto-caching of examples

app.py

@@ -80,4 +80,4 @@ if __name__ == '__main__':
                                    ['How important was the pandemic of Covid-19 in the discussions during 2020?'],
                                    ['What was the impact of the oil crisis for the economic outlook during 1973?']],
                         )
-    app.launch()
+    app.launch(cache_examples=False)