[CI] Fix doctest job by pinning ipython to 9.9.0

[vfdev-5]

Inspecting logs of failed job vs passing job, here is the python packages version difference:

Package	Log 1 - Fail (Feb 3)	Log 2 - Pass (Jan 30)	Difference
ipython	9.10.0	9.9.0	+0.1.0
rich	14.3.2	14.3.1	+0.0.1
wcwidth	0.5.3	0.5.2	+0.0.1
wrapt	2.1.1	2.0.1	+0.1.0
coverage	7.13.3	7.13.2	+0.0.1
babel	2.18.0	2.17.0	+0.1.0
numpy (final)	2.4.2	2.4.1	+0.0.1

Source: https://www.kimi.com/share/19c249cb-3362-81a6-8000-00006b942ed6

[gemini-code-assist]

Summary of Changes

Hello @vfdev-5, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a doctest failure by specifying a precise version for the ipykernel dependency. By pinning ipykernel to version 9.9.0 in the pyproject.toml file, the PR ensures that the testing environment uses a known compatible version, thereby resolving the reported doctest issues and maintaining build stability.

Highlights

• Dependency Pinning: The ipykernel dependency in pyproject.toml has been explicitly pinned to version 9.9.0.
• Doctest Fix: This change is intended to resolve a doctest failure, suggesting an incompatibility with a different ipykernel version.

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Changelog

• pyproject.toml
  • Pinned the ipykernel dependency to version 9.9.0 to fix doctest failures.

Activity

• No human activity has been recorded on this pull request yet.

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[gemini-code-assist]

Code Review

This pull request pins the ipykernel dependency to version 9.9.0 in pyproject.toml, which is a common practice to fix issues like the one mentioned in the title ("Fix doctest") and ensure a stable environment. I've added one suggestion to include an inline comment explaining the version pin, which will improve code maintainability for future developers.

[samanklesaria]

Superceeded by #5222