code: def check_version(component, expected_version):
      
  
      comp = comp_names[component]
  
      compath = os.path.realpath(os.path.abspath(comp.path))
      sys.path.insert(0, compath)
  
      import version
  
      if version.version != expected_version:
          raise EnvironmentError("Version mismatch during release, expected={}, found={}".format(expected_version, version.version))
docs: Make sure the package version in setuptools matches what we expect it to be