I want try copy "Circle Node" node，error：
Traceback (most recent call last):
File "Z:\Resource\Tools4ue\tool_ai\mt_nodegraph\examples\hotkeys\hotkey_functions.py", line 125, in paste_nodes
graph.paste_nodes()
File "C:\py311\Lib\site-packages\NodeGraphQt\base\graph.py", line 2081, in paste_nodes
nodes = self._deserialize(serial_data, relative_pos=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\py311\Lib\site-packages\NodeGraphQt\base\graph.py", line 1832, in _deserialize
self.add_node(node, n_data.get('pos'))
File "C:\py311\Lib\site-packages\NodeGraphQt\base\graph.py", line 1340, in add_node
self._model.add_port_accept_connection_type(
File "C:\py311\Lib\site-packages\NodeGraphQt\base\model.py", line 541, in add_port_accept_connection_type
if key not in connection_data.keys():
^^^^^^^^^^^^^^^^^^^^
AttributeError: 'set' object has no attribute 'keys'