Sourcemodule Bimap_single_class = Bimap_single_class.Bimap_single_class Sourcemodule Bimap_multi_class = Bimap_multi_class.Bimap_multi_class Sourcemodule Bimap_single_module = Bimap_single_module.Bimap_single Sourcemodule Bimap_multi_module = Bimap_multi_module.Bimap_multi_module