fix a compat issue: MultiBinary now accepts only int and not np.int32

Signed-off-by: DONNOT Benjamin <[email protected]>

Author: BDonnot

grid2op/gym_compat/gym_space_converter.py

@@ -68,7 +68,7 @@ def _generic_gym_space(cls, dt, sh, low=None, high=None):
 
     @classmethod
     def _boolean_type(cls, sh):
-        return cls._MultiBinaryType(n=sh)
+        return cls._MultiBinaryType(n=int(sh))
 
     @staticmethod
     def _simplifykeys_for_timestamps(key):