def create_rooms(self, rooms):
        self.rooms = list(rooms)
        self.room_objects = []
        color = '#888888'
        outline_width = 1
        for room in self.rooms:
            rect = self.canvas.create_rectangle(
                room.tl.x * self.tile_size_x,
                room.tl.y * self.tile_size_y,
                outline_width - room.br.x * self.tile_size_x,
                room.br.y * self.tile_size_y - outline_width,
                fill='',
                outline=color,
                width=outline_width,
                tags='room')
            self.room_objects.append(rect)
dataset/ETHPy150Open adurdin/platformgen/gui.py/TileMapGUI.create_rooms/swapped operands of `-`