class_docstr: CenterNet network using Hourglass from https://arxiv.org/abs/1904.07850S.
class_docstr_tok: ["CenterNet","network","using","Hourglass","from","https",":","\/\/arxiv.org\/abs\/1904.07850S","."]
code: def _get_ckpt_dir(path):
      if gfile.IsDirectory(path):
          if path[-1] == "/":
              return path[:-1]
          else:
              return path
      else:
          return os.path.dirname(path)
  
imports: import collections
  import os
  import random
  import string
  import time
  from absl import logging
  import numpy
  import tensorflow
  from tensorflow_graphics.projects.points_to_3Dobjects.models import centernet_utils
  from tensorflow_graphics.projects.points_to_3Dobjects.networks import hourglass
  from tensorflow_graphics.projects.points_to_3Dobjects.transforms import transforms
  from tensorflow_graphics.projects.points_to_3Dobjects.utils import image
  from google3.pyglib import gfile
label_desc: Use image node_id 2 for calling the CenterNetVID obj's underlying member method code with example usage: obj._get_ckpt_dir(path) and returns: os, path, path