Update plotly requirement from ~=6.8.0 to ~=6.9.0 in /scripts/nb-tester

[dependabot]

Updates the requirements on plotly to permit the latest version.

Release notes

Sourced from plotly's releases.

v6.9.0

Fixed

• Raise a clear ValueError when an unsupported marginal plot type is passed to Plotly Express, instead of failing later with a cryptic 'NoneType' object has no attribute 'constructor' message [#5625], with thanks to @​eugen-goebel for the contribution!

Updated

• Update plotly.js from version 3.6.0 to version 3.7.0. See the plotly.js release notes for more information [#5639]. Notable changes include:
  • Rename sendDataToCloud modebar button to sendChartToCloud, and update to upload chart to Plotly Cloud [#7802, #7852, #7854]. NOTE: The Plotly Cloud endpoint for receiving charts is not yet functional, so this button won't complete the upload.
  • Fix stale scattergl error bars after toggling traces with mixed error bar visibility [#7773], with thanks to @​JulienIcon for the contribution!
  • Fix geo fitbounds to choose a compact longitude range when point data straddles the antimeridian [#7837], with thanks to @​SharadhNaidu for the contribution!

Full Changelog: plotly/plotly.py@v6.8.0...v6.9.0

Changelog

Sourced from plotly's changelog.

[6.9.0] - 2026-07-09

Fixed

• Raise a clear ValueError when an unsupported marginal plot type is passed to Plotly Express, instead of failing later with a cryptic 'NoneType' object has no attribute 'constructor' message [#5625], with thanks to @​eugen-goebel for the contribution!

Updated

• Update plotly.js from version 3.6.0 to version 3.7.0. See the plotly.js release notes for more information [#5639]. Notable changes include:
  • Rename sendDataToCloud modebar button to sendChartToCloud, and update to upload chart to Plotly Cloud [#7802, #7852, #7854]. NOTE: The Plotly Cloud endpoint for receiving charts is not yet functional, so this button won't complete the upload.
  • Fix stale scattergl error bars after toggling traces with mixed error bar visibility [#7773], with thanks to @​JulienIcon for the contribution!
  • Fix geo fitbounds to choose a compact longitude range when point data straddles the antimeridian [#7837], with thanks to @​SharadhNaidu for the contribution!

[6.8.0] - 2026-06-03

Added

• Add optional font parameter for make_subplots [#5393], with thanks to @​Zomtir for the contribution!

Fixed

• Fix issue where user-specified color_continuous_scale was ignored when template had autocolorscale=True [#5439], with thanks to @​antonymilne for the contribution!
• Use presence of COLAB_NOTEBOOK_ID env var to enable Colab renderer instead of testing import of google.colab [#5473], with thanks to @​kevineger for the contribution!
• Fix incorrect annotation placement for add_vline, add_hline, add_vrect, and add_hrect on datetime axes [#5508], with thanks to @​mosh3eb for the contribution!
• Update tests to be compatible with numpy 2.4 [#5522], with thanks to @​thunze for the contribution!
• Fix issue where js/ directory was unintentionally installed as a top-level Python package when installing plotly [#5587]
• Add default headers to be passed in to Kaleido v1.3.0 to avoid blocked Open Street Map tiles [#5588]
• Propagate the requested default_height/default_width to the outer wrapper div produced by to_html so that responsive (percentage) dimensions inherit from a sized parent container instead of collapsing to the plotly.js 450px fallback [#5591], with thanks to @​SharadhNaidu for the contribution!

Updated

• The __eq__ method for graph_objects classes now returns NotImplemented to give the other operand an opportunity to handle the comparison [#5547], with thanks to @​RazerM for the contribution!
• Update plotly.js from version 3.5.0 to version 3.6.0. See the plotly.js release notes for more information [#5608]. Notable changes include:
  • Add support for arrays for the pie property legendrank, so that it can be configured per slice [#7723]
  • Add hoversort layout attribute to sort unified hover label items by value [#7734]

[6.7.0] - 2026-04-09

Added

• Add facet_row support to px.imshow for creating subplots along an additional dimension [#5445], with thanks to @​FBumann for the contribution!

Fixed

• Update numpy.percentile syntax to stop using deprecated alias [#5483], with thanks to @​Mr-Neutr0n for the contribution!
  • numpy with a version less than 1.22 is no longer supported.
• Handle empty px.histogram by skipping None label in hover template [#5535], with thanks to @​tysoncung for the contribution!

Updated

• Update plotly.js from version 3.4.0 to version 3.5.0. See the plotly.js release notes for more information. [#5565]. Notable changes include:
  • Add hoveranywhere and clickanywhere layout attributes to enable emitting hover and click events anywhere in the plot area, not just over traces [#7707]
  • Add displayNotifier configuration property to set the display of notifier in the top right area of the viewport [#7730]
  • Update USA location lookup for scattergeo and choropleth traces to use both location names and abbreviations [#7731]

[6.6.0] - 2026-03-02

... (truncated)

Commits

• 495134a update date
• 2e824d8 version changes for v6.9.0
• c27c986 Merge pull request #5639 from plotly/update-plotlyjs-3.7.0
• 3d63d05 typos
• fd7e3f1 update commands.py and CONTRIBUTING.md to reflect the fact that JS build arti...
• 9a753fe update changelog
• 4ff6656 update built JS artifacts
• b3facc7 update plotly.js to v3.7.0
• 5cdb606 Merge pull request #5630 from eugen-goebel/fix-marginal-error-message-spacing
• 8d47808 Add missing space in unsupported-marginal error message
• Additional commits viewable in compare view

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