def remove_tricky(self, obj):
Convenience method to convert pygame surface local coordinates to
dataset/ETHPy150Open los-cocos/cocos/cocos/collision_model.py/CollisionManager.remove_tricky--crossover with--dataset/ETHPy150Open estevaofon/angry-birds-python/pymunk-4.0.0/pymunk/pygame_util.py/from_pygame