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[BUG]: creating empty px.histogram() results in an error #5534

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#5535
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[BUG]: creating empty px.histogram() results in an error#5534
#5535
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bugsomething broken

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@Madrigallo
Madrigallo
opened on Mar 10, 2026

Creating an empty histogram with px.histogram() leads to a TypeError. Other types of graphs like px.pie(), px.scatter(), px.bar() allow empty figure to be created.

Steps to reproduce

import plotly.express as px
px.scatter()  # this is fine
px. histogram()  # this is not

Notes

Plotly 6.6

Activity

  1. Madrigallo
    added
    bugsomething broken
    on Mar 10, 2026
  2. tysoncung
    added a commit that references this issue on Mar 10, 2026

    fix: handle empty histogram() by skipping None label in hover template

    c10fb9c
  3. emilykl
    closed this as completedin #5535on Mar 10, 2026
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