JSONDecodeError: Expecting value: line 2 column 1 (char 1)

[sentry-io]

Sentry Issue: APPLICATION-BACKEND-70P

JSONDecodeError: Expecting value: line 2 column 1 (char 1)
  File "emails/middlewares/api.py", line 35, in __call__
    json.loads(response.content.decode() or "{}"),
  File "__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None