example_app/graviton2_gh_runner_flask_app/resources/cart.py [15:27]:
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    def __init__(self) -> None:
        super().__init__()
        self.cart_controller: CartController = current_app.extensions[
            "cart_controller"
        ]

    def get(self, user_id: str):
        """Get the current cart (exclusive of items).

        Args:
            user_id: the id of the user whose cart we are retreiving
        """
        try:
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example_app/graviton2_gh_runner_flask_app/resources/cart.py [40:52]:
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    def __init__(self) -> None:
        super().__init__()
        self.cart_controller: CartController = current_app.extensions[
            "cart_controller"
        ]

    def get(self, user_id: str):
        """Get all items in a shopping cart.

        Args:
            user_id: the id of the user whose cart we are retreiving
        """
        try:
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