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MNT: Change default name of ListedColormaps #30532

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Merged

tacaswell merged 2 commits into matplotlib:main from timhoffm:listedcolormap-name

Sep 9, 2025

+5 −1

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MNT: Change default name of ListedColormaps #30532

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MNT: Change default name of ListedColormaps

timhoffm Sep 8, 2025

Update doc/api/next_api_changes/behavior/30532-TH.rst

timhoffm Sep 9, 2025

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4 changes: 4 additions & 0 deletions doc/api/next_api_changes/behavior/30532-TH.rst

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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,4 @@
	Default name of ``ListedColormap``
	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

	The default name of `.ListedColormap` has changed from "from_list" to "unnamed".

2 changes: 1 addition & 1 deletion lib/matplotlib/colors.py

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -1322,7 +1322,7 @@ class ListedColormap(Colormap):
		"and will be removed in %(removal)s. Please ensure the list "
		"of passed colors is the required length instead."
		)
	def __init__(self, colors, name='from_list', N=None, *,
	def __init__(self, colors, name='unnamed', N=None, *,
		bad=None, under=None, over=None):
		if N is None:
		self.colors = colors
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