def box_enum(typ, val, c):
    """
    Fetch an enum member given its native value.
    """
    valobj = c.box(typ.dtype, val)
    # Call the enum class with the value object
    cls_obj = c.pyapi.unserialize(c.pyapi.serialize_object(typ.instance_class))
    return c.pyapi.call_function_objargs(cls_obj, (valobj,))

    Fetch an enum member given its native value.
    
numba/core/new_boxing.py