keras-team/keras · error · NotImplementedError

`track` is not implemented in the numpy backend.

Error message

`track` is not implemented in the numpy backend.

What it means

Error "`track` is not implemented in the numpy backend." thrown in keras-team/keras.

Source

Thrown at keras/src/backend/numpy/export.py:3

class NumpyExportArchive:
    def track(self, resource):
        raise NotImplementedError(
            "`track` is not implemented in the numpy backend."
        )

    def add_endpoint(self, name, fn, input_signature=None, **kwargs):
        raise NotImplementedError(
            "`add_endpoint` is not implemented in the numpy backend."
        )

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/numpy/export.py:3 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/23d4c281eb91202c. Report an issue: GitHub.