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Stop overriding global warnings.formatwarning #5506

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mosh3eb wants to merge 2 commits into from
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Stop overriding global warnings.formatwarning #5506

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67f40b5
Stop overriding global warnings.formatwarning
mosh3eb Feb 14, 2026
5f9fa6d
Apply ruff formatting
mosh3eb Feb 14, 2026
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4 changes: 3 additions & 1 deletion plotly/matplotlylib/renderer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,9 @@ def warning_on_one_line(msg, category, filename, lineno, file=None, line=None):
return "%s:%s: %s:\n\n%s\n\n" % (filename, lineno, category.__name__, msg)


warnings.formatwarning = warning_on_one_line
# Note: We no longer globally modify warnings.formatwarning to avoid polluting
# the user's warning system. If custom warning formatting is needed internally,
# use warnings.warn_explicit() or format within specific warning calls.


class PlotlyRenderer(Renderer):
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4 changes: 3 additions & 1 deletion plotly/tools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,9 @@ def warning_on_one_line(message, category, filename, lineno, file=None, line=Non
return "%s:%s: %s:\n\n%s\n\n" % (filename, lineno, category.__name__, message)


warnings.formatwarning = warning_on_one_line
# Note: We no longer globally modify warnings.formatwarning to avoid polluting
# the user's warning system. If custom warning formatting is needed internally,
# use warnings.warn_explicit() or format within specific warning calls.


### mpl-related tools ###
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