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log error trace if there is no error handler registered (#694)

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This commit is contained in:
Jannes Höke 2017-10-21 11:35:11 +02:00 • committed by Noam Meltzer
parent 38637ecf62
commit 3ed05991ad
1 changed files with 7 additions and 2 deletions
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9
telegram/ext/dispatcher.py
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@ -370,5 +370,10 @@ class Dispatcher(object):
error (:class:`telegram.TelegramError`): The Telegram error that was raised.
"""
for callback in self.error_handlers:
callback(self.bot, update, error)
if self.error_handlers:
for callback in self.error_handlers:
callback(self.bot, update, error)
else:
self.logger.exception(
'No error handlers are registered, logging exception...', exc_info=error)