keras-team/keras · error · ValueError

{type(self.layer).__name__} object has no attribute 'kernel'

Error message

{type(self.layer).__name__} object has no attribute 'kernel' nor 'embeddings'

What it means

Error "{type(self.layer).__name__} object has no attribute 'kernel' nor 'embeddings'" thrown in keras-team/keras.

Source

Thrown at keras/src/layers/normalization/spectral_normalization.py:62

    def __init__(self, layer, power_iterations=1, **kwargs):
        super().__init__(layer, **kwargs)
        if power_iterations <= 0:
            raise ValueError(
                "`power_iterations` should be greater than zero. Received: "
                f"`power_iterations={power_iterations}`"
            )
        self.power_iterations = power_iterations

    def build(self, input_shape):
        super().build(input_shape)
        self.input_spec = InputSpec(min_ndim=1, axes={-1: input_shape[-1]})

        if hasattr(self.layer, "kernel"):
            self.kernel = self.layer.kernel
        elif hasattr(self.layer, "embeddings"):
            self.kernel = self.layer.embeddings
        else:
            raise ValueError(
                f"{type(self.layer).__name__} object has no attribute 'kernel' "
                "nor 'embeddings'"
            )

        self.kernel_shape = self.kernel.shape

        self.vector_u = self.add_weight(
            shape=(1, self.kernel_shape[-1]),
            initializer=initializers.TruncatedNormal(stddev=0.02),
            trainable=False,
            name="vector_u",
            dtype=self.kernel.dtype,
        )

    def call(self, inputs, training=False):
        if training:
            new_vector_u, new_kernel = ops.cond(
                ops.all(ops.equal(self.kernel.value, 0)),

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/layers/normalization/spectral_normalization.py:62 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of keras-team/keras@7a34a03db6 (2026-08-25). Data as JSON: /api/errors/6c59808d4ebda486. Report an issue: GitHub.