json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[eigenein]

01-31 02:48:36 [E] Failed to get updates.
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/aiotg/__init__.py", line 558, in loop
    updates = await self.telegram.get_updates(self.offset, self.limit, self.timeout)
  File "/usr/local/lib/python3.6/dist-packages/aiotg/__init__.py", line 397, in get_updates
    for update in await self.post("getUpdates", offset=offset, limit=limit, timeout=timeout)
  File "/usr/local/lib/python3.6/dist-packages/aiotg/__init__.py", line 493, in post
    payload = await response.json()
  File "/usr/local/lib/python3.6/dist-packages/aiohttp/client_reqrep.py", line 772, in json
    return loads(stripped.decode(encoding))
  File "/usr/lib/python3.6/json/__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python3.6/json/decoder.py", line 339, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python3.6/json/decoder.py", line 357, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)