code: def _process_version(ver: version.Version) -> str:
      """Placeholder docstring"""
      if not ver:
          return None
      return str(ver).replace(".post", "-")
  
file_path: sagemaker-python-sdk/src/sagemaker/serve/detector/image_detector.py
imports: from __future__ import absolute_import
  from typing import Tuple, List
  import platform
  import re
  import logging
  from packaging import version
  from sagemaker import image_uris
label_desc: Use image node_id 3 for calling a global function with example usage: _process_version(ver) and returns: str, None