@property
    def optional_attributes(self):
        return [a for a in self.attributes if not a.is_required]
Print a list of files
dataset/ETHPy150Open scanny/python-pptx/lab/parse_xsd/parse_xsd.py/ComplexType.optional_attributes--crossover with--dataset/ETHPy150Open treeio/treeio/treeio/documents/templatetags/documents.py/documents_file_list