def __init__(self, assets_dir=None, requirements_file="requirements.yml"):
        self.assets_dir = assets_dir or Path(".") / "assets"
        self.requirements = GroupedRequirements()
        self.requirements.load(requirements_file)
        self.temp_dir = mkdtemp()
def deserialize(self, value):
        value = decode(value)
        validators.validate_required(value, self._required)
        if not value:
            return None
        if value.lower() in self.true_values:
            return True
        elif value.lower() in self.false_values:
            return False
        raise ValueError(f"invalid value for boolean: {value!r}")