538     def directories(&self) -> PyResult<PyList> {

   539         let dirs = PyList::new(py, &[]);

   540         for item in self.inner(py).borrow().iter_directories() {

   541             let (path, mtime) = item.map_err(|e| v2_error(py, e))?;

   542             let path = PyBytes::new(py, path.as_bytes());

   543             let mtime = mtime.map(|t| t.0).unwrap_or(-1);

   544             let tuple = (path, (b'd', 0, 0, mtime));

   545             dirs.append(py, tuple.to_py_object(py).into_object())

   546         }

   547         Ok(dirs)

   548     }

   549