Can not run bot_vs_bot in double screen separately. #288

Can not load map, just black screen.
win10, StarCraftII: 4.9, python-sc2: develop.
I have done ValueError: 3794, it just can run human vs computer.

-error informatiom:
INFO:sc2.protocol:Client status changed to Status.launched (was None)
INFO:sc2.controller:Creating new game
INFO:sc2.controller:Map: Simple128
INFO:sc2.controller:Players: Bot(Race.Zerg, <zerg.zerg_rush.ZergRushBot object at 0x000001DCB99827B8>), Bot(Race.Zerg, <zerg.zerg_rush.ZergRushBot object at 0x000001DC99CE2E80>)
INFO:sc2.protocol:Client status changed to Status.launched (was None)
INFO:sc2.protocol:Client status changed to Status.init_game (was Status.launched)