Merge pull request #3826 from ANTONIOPSD/patch-1

import sys

from collections import namedtuple

import torch

import re

from omegaconf import OmegaConf

from ldm.util import instantiate_from_config

def checkpoint_tiles(): 

    return sorted([x.title for x in checkpoints_list.values()])

    convert = lambda name: int(name) if name.isdigit() else name.lower() 

    alphanumeric_key = lambda key: [convert(c) for c in re.split('([0-9]+)', key)] 

    return sorted([x.title for x in checkpoints_list.values()], key = alphanumeric_key)

def list_models():