I have something wrong with check this add_on

[bolvabolv]

Traceback (most recent call last):
File "F:\blender\blender-3.3.7-stable+v33.659c307f2502-windows.amd64-release\3.3\scripts\modules\addon_utils.py", line 333, in enable
mod = import(module_name)
File "C:\Users\Administrator\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\nijigp_init_.py", line 29, in
auto_load.init()
File "C:\Users\Administrator\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\nijigp\auto_load.py", line 25, in init
modules = get_all_submodules(Path(file).parent)
File "C:\Users\Administrator\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\nijigp\auto_load.py", line 53, in get_all_submodules
return list(iter_submodules(directory, directory.name))
File "C:\Users\Administrator\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\nijigp\auto_load.py", line 57, in iter_submodules
yield importlib.import_module("." + name, package_name)
File "F:\blender\blender-3.3.7-stable+v33.659c307f2502-windows.amd64-release\3.3\python\lib\importlib_init_.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "C:\Users\Administrator\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\nijigp\operators\operator_fill.py", line 3, in
from ..solvers.graph import SmartFillSolver
File "C:\Users\Administrator\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\nijigp\solvers\graph.py", line 3, in
from scipy.sparse import csr_matrix, csgraph
ModuleNotFoundError: No module named 'scipy'

Would you know how to solve it?Thanks so much