tensorflow
error
python
documentation
module

Module 'tensorflow.tools.docs.doc_controls' has no attribute 'inheritable_header'

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Introduction

This error usually means you are relying on an internal TensorFlow documentation API that does not match the version installed in your environment. The key point is that tensorflow.tools.docs.doc_controls is not a stable public surface in the same way that the main TensorFlow runtime APIs are, so attributes can move, disappear, or never exist in the package version you happen to have.

Why the Attribute Is Missing

When Python says:

python
AttributeError: module 'tensorflow.tools.docs.doc_controls' has no attribute 'inheritable_header'

it is telling you something very literal: the imported module object does not define that name. The most common reasons are:

  • a version mismatch between the code sample and your installed package
  • use of an internal TensorFlow docs module instead of the supported docs generator package
  • copying a symbol name from source code or an older branch that does not exist in your local installation

This is especially common with documentation-generation helpers because many examples on the web come from TensorFlow's own repository internals, not from a stable published API contract.

Inspect What Your Installation Actually Exposes

Before guessing, inspect the module directly:

python
1from tensorflow.tools.docs import doc_controls
2
3print(hasattr(doc_controls, "inheritable_header"))
4print([name for name in dir(doc_controls) if not name.startswith("_")])

That quickly tells you whether the symbol is present and what the module actually exports in your environment.

If the symbol is missing, the fix is not to force the import. The fix is to use an API that exists in the version you have, or install the package that actually provides the docs generator features you need.

Prefer the TensorFlow Docs Generator Package

If your goal is generating TensorFlow-style API documentation, the better import path is often the separately distributed docs generator package rather than TensorFlow's internal source tree.

python
1try:
2    from tensorflow_docs.api_generator import doc_controls
3except ImportError:
4    from tensorflow.tools.docs import doc_controls
5
6print(sorted(name for name in dir(doc_controls) if not name.startswith("_")))

This pattern makes your code more portable across environments where tensorflow-docs is installed and reduces reliance on unstable internals.

Do Not Hard-Code Unsupported Symbols

If an example depends specifically on inheritable_header, you should verify that exact symbol against the version of the docs tooling you are using. If it is not present, treat the example as version-specific rather than assuming your install is broken.

A defensive fallback pattern looks like this:

python
1try:
2    from tensorflow_docs.api_generator import doc_controls
3except ImportError:
4    from tensorflow.tools.docs import doc_controls
5
6inheritable_header = getattr(doc_controls, "inheritable_header", None)
7
8if inheritable_header is None:
9    print("This environment does not provide inheritable_header.")
10else:
11    print("Decorator is available.")

That does not magically restore the feature, but it prevents your code from crashing while you sort out the package mismatch.

What to Do Instead

In practice, you usually have three options:

  1. install the matching tensorflow-docs package version used by the example
  2. pin TensorFlow and docs tooling to the exact version the code expects
  3. replace the unsupported decorator with a supported public docs-control pattern from your installed package

The right answer depends on whether you are maintaining a build pipeline, a library, or a one-off docs-generation script.

Common Pitfalls

  • Treating tensorflow.tools.docs as a stable public API.
  • Copying code from TensorFlow source branches without matching the package version.
  • Assuming the missing attribute is a normal import typo instead of a versioned API problem.
  • Failing to inspect dir(doc_controls) before debugging further.
  • Depending on internal docs helpers when the separate tensorflow-docs package is the real dependency.

Summary

  • The error means your installed doc_controls module does not define inheritable_header.
  • This is usually caused by version mismatch or use of unstable internal APIs.
  • Inspect the actual exported names in your environment before changing code blindly.
  • Prefer the tensorflow_docs.api_generator package for docs-generation tooling.
  • Pin versions or replace the missing symbol with a supported alternative from your installed docs package.

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