typo in reinforcement_policy_trainer; fixes #161
typo in reinforcement_policy_trainer; fixes #161

hiropppe/RocAlphaGo,vftens/RocAlphaGo,Rochester-NRT/RocAlphaGo,MaMiFreak/RocAlphaGo,Rochester-NRT/AlphaGo,Rochester-NRT/AlphaGo,wrongu/RocAlphaGo,Rochester-NRT/AlphaGo