<gh_stars>1-10
class NoUserIdOrSessionKeyError(Exception):
    pass


class NoProductToDelete(Exception):
    pass


class NoCart(Exception):
    pass


class BadConfigError(Exception):
    pass

class NoUserIdOrSessionKeyError(Exception):
    pass


class NoProductToDelete(Exception):
    pass


class NoCart(Exception):
    pass


class BadConfigError(Exception):
    pass