Traceback (most recent call last):


 "src/gevent/greenlet.py", line 716, in gevent._greenlet.Greenlet.run


 "/home/cosmin/Documents/WORK/GITHUB/raiden/raiden/network/transport/matrix.py", line 733, in _handle_presence_change

address = self._validate_userid_signature(user)


 "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/cachetools/__init__.py", line 87, in wrapper

v = method(self, *args, **kwargs)


 "/home/cosmin/Documents/WORK/GITHUB/raiden/raiden/network/transport/matrix.py", line 874, in _validate_userid_signature

displayname = user.get_display_name()


 "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/user.py", line 36, in get_display_name

self.displayname = self.api.get_display_name(self.user_id)


 "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/api.py", line 705, in get_display_name

content = self._send("GET", "/profile/%s/displayname" % user_id)


 "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/raiden_libs/network/matrix/client.py", line 72, in _send

return super()._send(method, path, *args, **kwargs)


 "/home/cosmin/.virtualenvs/raiden/lib/python3.6/site-packages/matrix_client/api.py", line 681, in _send

errordata = json.loads(response.json()['error'])


 "/usr/lib/python3.6/json/__init__.py", line 354, in loads

return _default_decoder.decode(s)


 "/usr/lib/python3.6/json/decoder.py", line 339, in decode

obj, end = self.raw_decode(s, idx=_w(s, 0).end())


 "/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)

Traceback (most recent call last):


 "/home/frankie/tmp/ethereum-etl/ethereumetl/executors/batch_work_executor.py", line 104, in execute_with_retries

return func(*args)


 "/home/frankie/tmp/ethereum-etl/ethereumetl/jobs/export_geth_traces_job.py", line 69, in _export_batch

result = rpc_response_to_result(response_item)


 "/home/frankie/tmp/ethereum-etl/ethereumetl/utils.py", line 84, in rpc_response_to_result

raise RetriableValueError(error_message)
ethereumetl.misc.retriable_value_error.RetriableValueError: result is None in response {'jsonrpc': '2.0', 'id': 0, 'error': {'code': -32000, 'message': 'parent 0000000000000000000000000000000000000000000000000000000000000000 not found'}}.
