@NotNull
  public static List<String> getNumpyUnionType(@NotNull String typeString) {
    final Matcher arrayMatcher = NUMPY_ARRAY_PATTERN.matcher(typeString);
    if (arrayMatcher.matches()) {
      typeString = arrayMatcher.group(2);
    }
    Matcher matcher = NUMPY_UNION_PATTERN.matcher(typeString);
    if (matcher.matches()) {
      typeString = matcher.group(1);
    }
    return Arrays.asList(typeString.split(" *, *"));
  }
@NotNull
  public static List<String> getNumpyUnionType(@NotNull String typeString)