$ blender
Read prefs: /home/mike/.config/blender/3.4/config/userpref.blend
Traceback (most recent call last):
  File "/usr/share/blender/scripts/addons/io_scene_x3d/import_x3d.py", line 1259, in gzipOpen
    filehandle = open(path, 'rU', encoding='utf-8', errors='surrogateescape')
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: invalid mode: 'rU'
Failed to open file: [redacted]/draft2.wrl