Ignore RuntimeError: wrapped C/C++ object of type LinkingAction has been deleted in Action.finish()

AttributeError: 'NoneType' object has no attribute 'get'
  File "urllib3/connectionpool.py", line 257, in _get_conn
    conn = self.pool.get(block=self.block, timeout=timeout)

ClosedPoolError: HTTPConnectionPool(host='localhost', port=8080): Pool is closed.
  File "requests/adapters.py", line 439, in send
    resp = conn.urlopen(
  File "urllib3/connectionpool.py", line 783, in urlopen
    return self.urlopen(
  File "urllib3/connectionpool.py", line 783, in urlopen
    return self.urlopen(
  File "urllib3/connectionpool.py", line 783, in urlopen
    return self.urlopen(
  File "urllib3/connectionpool.py", line 783, in urlopen
    return self.urlopen(
  File "urllib3/connectionpool.py", line 783, in urlopen
    return self.urlopen(
  File "urllib3/connectionpool.py", line 688, in urlopen
    conn = self._get_conn(timeout=pool_timeout)
  File "urllib3/connectionpool.py", line 260, in _get_conn
    raise ClosedPoolError(self, "Pool is closed.")

ConnectionError: HTTPConnectionPool(host='localhost', port=8080): Pool is closed.
  File "nxdrive/client/uploader/__init__.py", line 407, in link_blob_to_doc
    res: Dict[str, Any] = self.remote.execute(
  File "nxdrive/client/remote_client.py", line 265, in execute
    return self.operations.execute(**kwargs)
  File "nuxeo/operations.py", line 199, in execute
    resp = self.client.request(
  File "nuxeo/client.py", line 310, in request
    raise self._handle_error(exc)
  File "nuxeo/client.py", line 304, in request
    resp = self._session.request(
  File "requests/sessions.py", line 542, in request
    resp = self.send(prep, **send_kwargs)
  File "requests/sessions.py", line 655, in send
    r = adapter.send(request, **kwargs)
  File "requests/adapters.py", line 519, in send
    raise ConnectionError(e, request=request)

RuntimeError: wrapped C/C++ object of type LinkingAction has been deleted
  File "nxdrive/engine/workers.py", line 197, in run
    self._execute()
  File "nxdrive/engine/processor.py", line 344, in _execute
    self._handle_doc_pair_sync(doc_pair, sync_handler)
  File "nxdrive/engine/processor.py", line 242, in _handle_doc_pair_sync
    sync_handler(doc_pair)
  File "nxdrive/engine/processor.py", line 992, in _synchronize_locally_created
    fs_item_info = self.remote.stream_file(
  File "nxdrive/client/remote_client.py", line 650, in stream_file
    fs_item = self.upload(
  File "tests/old_functional/test_transfer.py", line 535, in upload
    return upload_orig(*args, uploader=SerialUploader, **kwargs)
  File "nxdrive/client/remote_client.py", line 509, in upload
    return uploader(self).upload(path, **kwargs)
  File "nxdrive/client/uploader/sync.py", line 31, in upload
    item = self.upload_impl(file_path, command, filename=filename, **kwargs)
  File "nxdrive/client/uploader/__init__.py", line 233, in upload_impl
    doc: Dict[str, Any] = self._link_blob_to_doc(
  File "nxdrive/client/uploader/__init__.py", line 363, in _link_blob_to_doc
    return self.link_blob_to_doc(command, transfer, blob, chunked, **kwargs)
  File "tests/old_functional/test_transfer.py", line 530, in link_blob_to_doc
    return super().link_blob_to_doc(*args, **kwargs)
  File "nxdrive/client/uploader/__init__.py", line 415, in link_blob_to_doc
    action.finish_action()
  File "nxdrive/engine/activity.py", line 59, in finish_action
    action.finish()
  File "nxdrive/engine/activity.py", line 162, in finish
    self.done.emit(self)