Testing MAC M1 - No module found

[Pourfex]

Hello,
Tried to follow the instructions to test ifcJSON with the conda environnement :

• Clone this repository
• Conda env(create, activate install forge & ifcopenshell)
• cd to ./file-converters

Using this command :
python ifc2json.py -i model.ifc -o model.json --compact

gives errors :

  File "/Users/a.delforges/Documents/Dev/ifcJSON-master/file_converters/ifc2json.py", line 31, in <module>
    import ifcjson
  File "/Users/a.delforges/Documents/Dev/ifcJSON-master/file_converters/ifcjson/__init__.py", line 1, in <module>
    from ifcjson.ifc2json4 import IFC2JSON4
  File "/Users/a.delforges/Documents/Dev/ifcJSON-master/file_converters/ifcjson/ifc2json4.py", line 29, in <module>
    import ifcopenshell
ModuleNotFoundError: No module named 'ifcopenshell'

Am I forget something obvious ?

Testing device : Mac M1