Python AST3to2 примеры использования

Пример #1

def ast3to2(ast, env):
    if not PY3:
        return ast
    return astsix.AST3to2().visit(ast)

Пример #2

 def transform(self, ast, env):
     if not PY3:
         return ast
     return astsix.AST3to2().visit(ast)