def convert_version_to_int(version):
  """Convert a version number to a integer that can be used to compare.

  Version strings of the form X.YZ and X.Y.Z-xxxxx are supported. The
  'xxxxx' part, for instance 'homebrew' on OS/X, is ignored.

  Args:
    version: a version to be converted

  Returns:
    An integer if converted successfully, otherwise return None.
  """
  version = version.split('-')[0]

    TF_ImportGraphDefResults* results);

// Import the graph serialized in `graph_def` into `graph`.  Returns nullptr and
// a bad status on error. Otherwise, returns a populated
// TF_ImportGraphDefResults instance. The returned instance must be deleted via
// TF_DeleteImportGraphDefResults().
TF_CAPI_EXPORT extern TF_ImportGraphDefResults*
TF_GraphImportGraphDefWithResults(TF_Graph* graph, const TF_Buffer* graph_def,