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Dash Tutorial incorrect for Generic Crossfilter Recipe #3267
Description
throws keyerror "customdata"
selectedpoints, [p["pointNumber"] for p in selected_data["points"]]
"pointNumber" replaces "customdata" then it worked for me
{{ message }}
Activity
gvwilson commentedon Apr 10, 2025
@LiamConnors @T4rk1n simple fix to tutorial?
T4rk1n commentedon Apr 10, 2025
Would that be from the update to plotly.py 6 ?
LiamConnors commentedon Apr 10, 2025
Yes, I believe it's this issue with plotly.py 6: plotly/plotly.py#5119
The example works with 5.24
AnnMarieW commentedon Nov 14, 2025
Looks like this might have been fixed in plotly/plotly.js#7608 ?
Update - the PR above did not resolve the issue.
As a workaround the example in the docs can be fixed if customdata is a list:
AnnMarieW commentedon Nov 25, 2025
related issues #3307 #3196
emilykl commentedon Dec 3, 2025
Docs link to broken example: https://dash.plotly.com/interactive-graphing#generic-crossfilter-recipe
emilykl commentedon Dec 3, 2025
The first example on this page is broken as well; we should see
customdatain the JSON displayed below the plot, but it is not there: https://dash.plotly.com/interactive-graphing(thanks @AnnMarieW!)
ndrezn commentedon Dec 10, 2025
This would be great to fix given the downstream issues it would also solve. @emilykl is taking a look at this.