hotfix for levels where no hero-b and users dont have sessions (#728)
hotfix for levels where no hero-b and users dont have sessions (#728)


javatlacati/codecombat,codecombat/codecombat,javatlacati/codecombat,javatlacati/codecombat,javatlacati/codecombat,codecombat/codecombat,codecombat/codecombat,javatlacati/codecombat,codecombat/codecombat,codecombat/codecombat