message: Fix type issue in updateDemographics
diff: @@ -3,6 +3,7 @@ import { Town } from './_common'
  import { townData } from './townData'
  import { weightedRandomFetcher } from '../src/weightedRandomFetcher'
  import { RaceName } from '../npc-generation/raceTraits'
  +import { keys } from '../src/utils'
  export function townDemographics (town: Town) {
  console.log('Creating town demographics...')
  @@ -13,7 +14,7 @@ export function updateDemographics (town: Town, newDemographics: Record<RaceName
  console.log('Updating demographics.')
  console.log('New:')
  console.log(newDemographics)
  - for (const byRace of Object.keys(newDemographics)) {
  + for (const byRace of keys(newDemographics)) {
  town._baseDemographics[byRace] = newDemographics[byRace]
  }
  