code: def get_custom_ops_lib():
      """Retrieve custom ops library."""
      det_dir, _ = os.path.split(os.path.dirname(__file__))
      root_dir, _ = os.path.split(det_dir)
      custom_ops_lib = os.path.join(
          root_dir, "build/libcaffe2_detectron_custom_ops_gpu.so"
      )
      assert os.path.exists(
          custom_ops_lib
      ), "Custom ops lib not found at '{}'".format(custom_ops_lib)
      return custom_ops_lib
  
file_path: dense-pose/detectron/utils/env.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import os
  import sys
label_desc: Use image node_id 7 for calling a global function with example usage: get_custom_ops_lib() and returns: custom_ops_lib