code: def _extension_module_tags():
      
      import sysconfig
      tags = []
      if six.PY2:
          # see also 'SHLIB_EXT'
          multiarch = sysconfig.get_config_var('MULTIARCH')
          if multiarch is not None:
              tags.append(multiarch)
      else:
          # handle PEP 3149 -- ABI version tagged .so files
          # ABI = application binary interface
          tags.append(sysconfig.get_config_var('SOABI'))
          tags.append('abi3')  # not sure why this one is valid but it is
      tags = [t for t in tags if t]
      return tags
docs: Returns valid tags an extension module might have