Issue 422: Fixed start_polling with clean=True can cause 'Too Many Requests' error from Telegram. (python-telegram-bot#437)

neutronnnate · jh0ker · commit 761547e71d85 · 2016-10-25T19:30:05.000+02:00
diff --git a/telegram/ext/updater.py b/telegram/ext/updater.py
@@ -330,6 +330,7 @@ def _bootstrap(self, max_retries, clean, webhook_url, cert=None):
                     # Disable webhook for cleaning
                     self.bot.setWebhook(webhook_url='')
                     self._clean_updates()
+                    sleep(1)
 
                 self.bot.setWebhook(webhook_url=webhook_url, certificate=cert)
             except (Unauthorized, InvalidToken):
