@classmethod
    def open(cls, pkg_file=None):
        if pkg_file is None:
            pkg_file = cls._default_pptx_path
        return super(Package, cls).open(pkg_file)
Return |Package| instance loaded with contents of .pptx package at
dataset/ETHPy150Open scanny/python-pptx/pptx/package.py/Package.open