does not want to import dmx format files
Python: Traceback (most recent call last):
File "C:\Users\RusLan\AppData\Roaming\Blender Foundation\Blender\4.4\scripts\addons\io_scene_valvesource\datamodel.py", line 333, in __getitem__
return super().__getitem__(item)
^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: 'skeleton'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "C:\Users\RusLan\AppData\Roaming\Blender Foundation\Blender\4.4\scripts\addons\io_scene_valvesource\import_smd.py", line 1274, in readDMX
DmeModel = dm.root["skeleton"]
~~~~~~~^^^^^^^^^^^^
File "C:\Users\RusLan\AppData\Roaming\Blender Foundation\Blender\4.4\scripts\addons\io_scene_valvesource\datamodel.py", line 335, in __getitem__
raise AttributeError("No attribute \"{}\" on {}".format(item,self)) from e
io_scene_valvesource.datamodel.AttributeError: 'Invalid DMX file: No attribute "skeleton" on <Datamodel element "session" (DmElement)>'