AttributeError: module 'telethon.tl.types' has no attribute 'FileLocation'

[erichegit]

I am fiddling around with the telegram Export Tool, but doesn`t matter what I try to change in the config file, I recaive following error

pi@raspberrypi:/ $ python3 -m telegram_export
2019-08-24 22:21:23,782 - exporter - INFO - Saving to /home/pi/telegram/db
2019-08-24 22:21:23,948 - telegram_export.downloader - INFO - Getting participants...
2019-08-24 22:21:24,014 - asyncio - ERROR - Task exception was never retrieved
future: <Task finished coro=<Downloader._chat_consumer() done, defined at /usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py:327> exception=AttributeError("module 'telethon.tl.types' has no attribute 'FileLocation'",)>
Traceback (most recent call last):
  File "/usr/lib/python3.5/asyncio/tasks.py", line 239, in _step
    result = coro.send(None)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py", line 335, in _chat_consumer
    functions.channels.GetFullChannelRequest(chat)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py", line 114, in _dump_full_entity
    photo_id = self.dumper.dump_media(entity.full_chat.chat_photo)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/dumper.py", line 617, in dump_media
    row['thumbnail_id'] = self.dump_media(small, 'thumbnail')
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/dumper.py", line 631, in dump_media
    if isinstance(media.location, types.FileLocation):
AttributeError: module 'telethon.tl.types' has no attribute 'FileLocation'
2019-08-24 22:21:24,027 - asyncio - ERROR - Task exception was never retrieved
future: <Task finished coro=<Downloader._user_consumer() done, defined at /usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py:316> exception=AttributeError("module 'telethon.tl.types' has no attribute 'FileLocation'",)>
Traceback (most recent call last):
  File "/usr/lib/python3.5/asyncio/tasks.py", line 239, in _step
    result = coro.send(None)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py", line 320, in _user_consumer
    functions.users.GetFullUserRequest(await queue.get())
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py", line 98, in _dump_full_entity
    photo_id = self.dumper.dump_media(entity.profile_photo)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/dumper.py", line 617, in dump_media
    row['thumbnail_id'] = self.dump_media(small, 'thumbnail')
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/dumper.py", line 631, in dump_media
    if isinstance(media.location, types.FileLocation):
AttributeError: module 'telethon.tl.types' has no attribute 'FileLocation'
2019-08-24 22:21:24,162 - telegram_export.downloader - INFO - Saved 0 new members, 0 left the chat.
entities: 100%|██████████████████████████████████████████████████████████████████████████████████████████████████| 8/8 [00:00<00:00, 17.11 entities/s, chat=xyz]
media: ?| 0.00/0.00 [00:00<?, ?B/s, chat=xyz]                                                       | 0/6 [00:00<?, ? entities/s, chat=xyz]
2019-08-24 22:21:24,448 - exporter - INFO - Closing exporter
xyz: ?| 20/? [00:00<00:00, 39.54 messages/s]Traceback (most recent call last):
  File "/usr/lib/python3.5/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/__main__.py", line 316, in <module>
    ret = loop.run_until_complete(main(loop)) or 0
  File "/usr/lib/python3.5/asyncio/base_events.py", line 466, in run_until_complete
    return future.result()
  File "/usr/lib/python3.5/asyncio/futures.py", line 293, in result
    raise self._exception
  File "/usr/lib/python3.5/asyncio/tasks.py", line 239, in _step
    result = coro.send(None)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/__main__.py", line 300, in main
    await exporter.start()
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/exporter.py", line 73, in start
    await self.downloader.start(entity)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py", line 497, in start
    self._dump_messages(history.messages, target)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py", line 150, in _dump_messages
    media_id = self.dumper.dump_media(m.action.photo)
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/dumper.py", line 617, in dump_media
    row['thumbnail_id'] = self.dump_media(small, 'thumbnail')
  File "/usr/local/lib/python3.5/dist-packages/telegram_export/dumper.py", line 631, in dump_media
    if isinstance(media.location, types.FileLocation):
AttributeError: module 'telethon.tl.types' has no attribute 'FileLocation'
xyz: ?| 20/? [00:00<00:00, 28.99 messages/s]
2019-08-24 22:21:24,634 - asyncio - ERROR - Task was destroyed but it is pending!
task: <Task pending coro=<Downloader._media_consumer() running at /usr/local/lib/python3.5/dist-packages/telegram_export/downloader.py:308> wait_for=<Future pending cb=[Task._wakeup()]>>