update init file with docstring
update init file with docstring


Former-commit-id: 56d1bead10a76992443e2f7866a2576f72eadd58 [formerly 9e0caf9420cc56c00bebbb8534cff14a5bd03f0b] [formerly 6be913c85061c8685974b678890d6ec41c0c746a]
Former-commit-id: 6c610bd3569145652ce6f54b0a6fd4103d5bc681
Former-commit-id: a48cb6fd6adea58b4391ce507245dee8f7663417
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy