message: Fix a Python error during conqueror spawn
diff: @@ -224,9 +224,7 @@ def spawnConquerors(iPlayer, iPreferredTarget, tTL, tBR, iNumTargets, iYear, iIn
  if city.getOwner() != iPlayer and not team(city).isVassal(iPlayer):
  lCities.append(city)
  - capital = player(iPlayer).getCapitalCity()
  -
  - targetCities = cities.start(tTL).end(tBR).notowner(iPlayer).where(lambda city: not team(city).isVassal(iPlayer)).lowest(iNumTargets, lambda city: (int(city.getOwner() == iPreferredTarget), distance(city, capital)))
  + targetCities = cities.start(tTL).end(tBR).notowner(iPlayer).where(lambda city: not team(city).isVassal(iPlayer)).lowest(iNumTargets, lambda city: (city.getOwner() == iPreferredTarget, distance(city, capital(iPlayer))))
  owners = set(city.getOwner() for city in targetCities)
  if iPreferredTarget >= 0 and iPreferredTarget not in owners and player(iPreferredTarget).isAlive():
  