def decrease_stock_amount(self, amount):
        if self.manage_stock_amount:
            self.stock_amount -= amount
        self.save()
Return the list of available modules
dataset/ETHPy150Open diefenbach/django-lfs/lfs/catalog/models.py/Product.decrease_stock_amount--crossover with--dataset/ETHPy150Open kivy/kivy/kivy/modules/__init__.py/ModuleBase.list