private static boolean isBytesLiteral(@NotNull PyStringLiteralExpression expr, @NotNull TypeEvalContext context) {
        final PyBuiltinCache builtinCache = PyBuiltinCache.getInstance(expr);
        final PyClassType bytesType = builtinCache.getBytesType(LanguageLevel.forElement(expr));
        final PyType actualType = context.getType(expr);
        return bytesType != null && actualType != null && PyTypeChecker.match(bytesType, actualType, context);
      }
private static boolean isBytesLiteral(@NotNull PyStringLiteralExpression expr, @NotNull TypeEvalContext context)