Traceback (most recent call last):
File "/home/user/Desktop/blender-2.91.0-linux64/2.91/scripts/modules/addon_utils.py", line 351, in enable
mod = __import__(module_name)
File "/home/user/.config/blender/2.91/scripts/addons/an_bluefox_extension/__init__.py", line 44, in <module>
auto_load.init()
File "/home/user/.config/blender/2.91/scripts/addons/an_bluefox_extension/auto_load.py", line 23, in init
modules = get_all_submodules(Path(__file__).parent)
File "/home/user/.config/blender/2.91/scripts/addons/an_bluefox_extension/auto_load.py", line 51, in get_all_submodules
return list(iter_submodules(directory, directory.name))
File "/home/user/.config/blender/2.91/scripts/addons/an_bluefox_extension/auto_load.py", line 55, in iter_submodules
yield importlib.import_module("." + name, package_name)
File "/home/user/Desktop/blender-2.91.0-linux64/2.91/python/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "an_bluefox_extension/nodes/color/c_utils.pyx", line 1, in init an_bluefox_extension.nodes.color.c_utils
ValueError: animation_nodes.data_structures.splines.base_spline.Spline size changed, may indicate binary incompatibility. Expected 56 from C header, got 48 from PyObject
Tested the same process on Windows 10 (and select the appropriate package) works fine.