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Add additional asserts to debug issue with peer empty channels

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Lonami Exo 2020-10-05 13:58:04 +02:00
parent 52a247c156
commit cb92a40156
1 changed files with 6 additions and 1 deletions
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7
telethon/client/updates.py
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@ -513,8 +513,13 @@ class UpdateMethods:
self._log[__name__].debug('Getting difference for entities '
'for %r', update.__class__)
if channel_id:
# There are reports where we somehow call get channel difference
# with `InputPeerEmpty`. Check our assumptions to better debug
# this when it happens.
assert isinstance(channel_id, int), 'channel_id was {}, not int in {}'.format(type(channel_id), update)
try:
where = await self.get_input_entity(channel_id)
# Wrap the ID inside a peer to ensure we get a channel back.
where = await self.get_input_entity(types.PeerChannel(channel_id))
except ValueError:
# There's a high chance that this fails, since
# we are getting the difference to fetch entities.