private static @Nls String validateFrameworkSupportsPython3(@NotNull PyFrameworkProjectGenerator generator, @NotNull Sdk sdk) {
    final String frameworkName = generator.getFrameworkTitle();
    final boolean isPy3k = PythonSdkType.getLanguageLevelForSdk(sdk).isPy3K();
    return isPy3k && !generator.supportsPython3() ? PyBundle.message("framework.not.supported.for.the.selected.interpreter", frameworkName)
                                                  : null;
  }
private static @Nls String validateFrameworkSupportsPython3(@NotNull PyFrameworkProjectGenerator generator, @NotNull Sdk sdk)