Chunk upload is broken on macOS

2019-07-31 15:39:15 19935 123145400516608 DEBUG    nxdrive.client.remote_client Upload progression stopped at 0.00%
2019-07-31 15:39:15 19935 123145400516608 DEBUG    nxdrive.engine.processor Connection issue
Traceback (most recent call last):
  File "urllib3/connectionpool.py", line 600, in urlopen
    chunked=chunked)
  File "urllib3/connectionpool.py", line 354, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1244, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1290, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1239, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1065, in _send_output
    self.send(chunk)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 987, in send
    self.sock.sendall(data)
socket.timeout: timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "requests/adapters.py", line 449, in send
    timeout=timeout
  File "urllib3/connectionpool.py", line 638, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "urllib3/util/retry.py", line 368, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "urllib3/packages/six.py", line 685, in reraise
    raise value.with_traceback(tb)
  File "urllib3/connectionpool.py", line 600, in urlopen
    chunked=chunked)
  File "urllib3/connectionpool.py", line 354, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1244, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1290, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1239, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 1065, in _send_output
    self.send(chunk)
  File "/.../3.7.4/lib/python3.7/http/client.py", line 987, in send
    self.sock.sendall(data)
urllib3.exceptions.ProtocolError: ('Connection aborted.', timeout('timed out'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "engine/processor.py", line 281, in _execute
    sync_handler(doc_pair)
  File "engine/processor.py", line 804, in _synchronize_locally_created
    engine_uid=self.engine.uid,
  File "client/remote_client.py", line 653, in stream_file
    **kwargs,
  File "client/remote_client.py", line 335, in upload
    file_path, filename=filename, mime_type=mime_type, **params
  File "client/remote_client.py", line 448, in upload_chunks
    for _ in uploader.iter_upload():
  File "nuxeo/uploads.py", line 409, in iter_upload
    self.headers,
  File "nuxeo/uploads.py", line 131, in send_data
    resource=data, path=path, raw=True, headers=headers
  File "nuxeo/endpoint.py", line 120, in post
    "POST", endpoint, data=resource, raw=raw, **kwargs
  File "nuxeo/client.py", line 272, in request
    raise self._handle_error(exc)
  File "nuxeo/client.py", line 267, in request
    method, url, headers=headers, auth=self.auth, data=data, **kwargs
  File "requests/sessions.py", line 533, in request
    resp = self.send(prep, **send_kwargs)
  File "requests/sessions.py", line 646, in send
    r = adapter.send(request, **kwargs)
  File "requests/adapters.py", line 498, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', timeout('timed out'))