get_children() not working when Label3D is a child.

[MarioMey]

get_children() not working when Label3D is a child.

[jdrempel]

Same problem when trying to iterate children of a GraphEdit:

Traceback (most recent call last):
  File "build/x11-64/pythonscript/_godot_instance.pxi", line 98, in _godot.pythonscript_instance_call_method
  File "$HOME/projects/project/Graph.py", line 351, in _physics_process
    self._step_flow_simulation(ConnectionType.POWER)
  File "$HOME/projects/project/Graph.py", line 122, in _step_flow_simulation
    for node in self.get_powered_children():
  File "$HOME/projects/project/Graph.py", line 105, in get_powered_children
    for child in self.get_children():
  File "build/x11-64/pythonscript/godot/builtins.pyx", line 3080, in __iter__
  File "build/x11-64/pythonscript/godot/builtins.pyx", line 3185, in godot.builtins.Array.get
  File "build/x11-64/pythonscript/godot/_hazmat/conversion.pyx", line 168, in godot._hazmat.conversion.godot_variant_to_pyobj
  File "build/x11-64/pythonscript/godot/_hazmat/conversion.pyx", line 284, in godot._hazmat.conversion._godot_variant_to_pyobj_object
  File "build/x11-64/pythonscript/godot/bindings.pyx", line 198, in godot.bindings.Object.cast_from_variant
KeyError: 'GraphEditFilter'