More strict PEP 8 check
Merge pull request #6 from dahlia/pep8

More strict PEP 8 check
add award, genre and columns to work.
Fix indentation of migration script.
Stylistic adjustment.
Add migration script
Fix misindentation.
Merge pull request #4 from sjw0687/work

add award, genre and columns to work.
Merge remote-tracking branch 'upstream/master' into sqlalchemy
More robust Entity