Method apply

python/paddle/base/framework.py:2129–2137

(self, func)

        )

    def apply(self, func):
        if not self.stop_gradient:
            raise RuntimeError(
                "Cannot apply function on a tensor that required gradient."
            )
        try:
            return func(self)
        except:
            raise ValueError(f"The PyFunc {func.__name__} could not be applied")

    def __str__(self):
        return self._to_readable_code()