docs: def is_pigalle_class(kls: ClassVar) -> bool:
          """ Return true if the passed object as argument is a class being to the Pigalle framework.
  
          # Arguments
              kls: The class to check.
  
          # Returns:
              bool:
                  * True if class is Pigalle.
                  * False else.
          """
          return (kls is PygalleBaseClass) or (issubclass(type(kls), PygalleBaseClass))