How to use the pyfuse3.EntryAttributes function in pyfuse3

def entry_attributes(self):
        attr = pyfuse3.EntryAttributes()
        attr.st_nlink = self.refcount
        attr.st_blocks = (self.size + 511) // 512
        attr.st_ino = self.id

        # Timeout, can effectively be infinite since attribute changes
        # are only triggered by the kernel's own requests
        attr.attr_timeout = 3600
        attr.entry_timeout = 3600

        # We want our blocksize for IO as large as possible to get large
        # write requests
        attr.st_blksize = 128 * 1024

        attr.st_mode = self.mode
        attr.st_uid = self.uid
        attr.st_gid = self.gid

async def getattr(self, inode, ctx=None):
        node = self._get_node(inode)

        l.debug("getattr: %r", node)

        entry = pyfuse3.EntryAttributes()
        entry.st_ino = inode
        entry.generation = 0
        entry.entry_timeout = 0
        entry.attr_timeout = 0
        if not node.is_last:
            entry.st_mode = 0o040777
        else:
            entry.st_mode = 0o100777
        entry.st_nlink = 1

        entry.st_uid = 1000
        entry.st_gid = 1000
        entry.st_rdev = 0
        if not node.is_last:
            entry.st_size = 4096
        else: