Updates TE to handle ChannelPrivateError.

Author: Juan Velasco

telegram_export/downloader.py

@@ -9,7 +9,7 @@
 
 import tqdm
 from telethon import utils
-from telethon.errors import ChatAdminRequiredError
+from telethon.errors import ChatAdminRequiredError, ChannelPrivateError
 from telethon.tl import types, functions
 
 from . import utils as export_utils
@@ -401,7 +401,10 @@ async def start(self, target_id):
         self._running = True
         self._incomplete_download = None
         target_in = await self.client.get_input_entity(target_id)
-        target = await self.client.get_entity(target_in)
+        try:
+            target = await self.client.get_entity(target_in)
+        except ChannelPrivateError:
+            __log__.info('Entity is a private channel. Continue download.')
         target_id = utils.get_peer_id(target)
 
         found = self.dumper.get_message_count(target_id)