[API Compatibility] Support tensor dtype compare using is
#76155
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PR Category
User Experience
PR Types
Bug fixes
Description
支持 tensor dtype 用
is进行比较,is底层是对象指针的比较,之前用is比较有问题是因为每次获取 tensor dtype 都会创建一个类型为对应 dtype 的新 python 对象,本次 PR 通过返回 Python 枚举对象单例来解决该问题示例代码: