Plugin doesn't load, missing IU_PER_MM constant

I installed the plugin from the plugin and content manager, but it does not load. This is the backtrace I get:

>>> import pcbnew
>>> print pcbnew.GetWizardsBackTrace()
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pcbnew.py", line 4448, in LoadPluginModule
    mod = importlib.import_module( ModuleName )
  File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/home/marcsekz/.local/share/kicad/7.0/3rdparty/plugins/com_github_cooked_kimotor/__init__.py", line 2, in <module>
    from .kimotor_action import KiMotor
  File "/home/marcsekz/.local/share/kicad/7.0/3rdparty/plugins/com_github_cooked_kimotor/kimotor_action.py", line 39, in <module>
    class KiMotorDialog ( kimotor_gui.KiMotorGUI ):
  File "/home/marcsekz/.local/share/kicad/7.0/3rdparty/plugins/com_github_cooked_kimotor/kimotor_action.py", line 43, in KiMotorDialog
    SCALE = pcbnew.IU_PER_MM
AttributeError: module 'pcbnew' has no attribute 'IU_PER_MM'

KiCAD version info:

Application: KiCad PCB Editor x86_64 on x86_64

Version: 7.0.10-7.0.10~ubuntu22.04.1, release build

Libraries: wxWidgets 3.2.1 FreeType 2.11.1 HarfBuzz 6.0.0 FontConfig 2.13.1 libcurl/7.81.0 OpenSSL/3.0.2 zlib/1.2.11 brotli/1.0.9 zstd/1.4.8 libidn2/2.3.2 libpsl/0.21.0 (+libidn2/2.3.2) libssh/0.9.6/openssl/zlib nghttp2/1.43.0 librtmp/2.3 OpenLDAP/2.5.16

Platform: Ubuntu 22.04.3 LTS, 64 bit, Little endian, wxGTK, ubuntu, wayland

Build Info: Date: Dec 31 2023 13:35:31 wxWidgets: 3.2.1 (wchar_t,wx containers) GTK+ 3.24 Boost: 1.74.0 OCC: 7.5.2 Curl: 7.88.1 ngspice: 38 Compiler: GCC 11.4.0 with C++ ABI 1016

Build settings: KICAD_SPICE=ON

cooked / kimotor

Plugin doesn't load, missing IU_PER_MM constant #60