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GeezerVison is showing github.com — MNT: do not assign a numpy array shape by rcomer · Pull Request #30985 · matplotlib/matplotlib

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@rcomer

@rcomer rcomer commented Jan 17, 2026 •
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PR summary

Fixes #30981. Numpy has deprecated assigning a shape to an array.

https://numpy.org/devdocs/release/2.5.0-notes.html#setting-the-shape-attribute-is-deprecated

>       z_data.shape = shape
        ^^^^^^^^^^^^
E       DeprecationWarning: Setting the shape on a NumPy array has been deprecated in NumPy 2.5.
E       As an alternative, you can create a new view using np.reshape (with copy=False if needed).

PR checklist

  • "closes #0000" is in the body of the PR description to link the related issue
  • new and changed code is tested
  • [n/a] Plotting related features are demonstrated in an example
  • [n/a] New Features and API Changes are noted with a directive and release note
  • [n/a] Documentation complies with general and docstring guidelines

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@rcomer
MNT: do not assign a numpy array shape
000f898
@rcomer rcomer added this to the v3.10.9 milestone Jan 17, 2026
timhoffm
timhoffm approved these changes Jan 17, 2026
View reviewed changes
scottshambaugh
scottshambaugh approved these changes Jan 17, 2026
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@scottshambaugh
scottshambaugh merged commit 4a2222c into matplotlib:main Jan 17, 2026
50 of 51 checks passed

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meeseeksmachine pushed a commit to meeseeksmachine/matplotlib that referenced this pull request Jan 17, 2026
@scottshambaugh @meeseeksmachine
Backport PR matplotlib#30985: MNT: do not assign a numpy array shape
89a35d8
@meeseeksmachine meeseeksmachine mentioned this pull request Jan 17, 2026
Backport PR #30985 on branch v3.10.x (MNT: do not assign a numpy array shape) #30986
Merged
@rcomer
rcomer deleted the numpy-shape branch January 17, 2026 20:02
timhoffm added a commit that referenced this pull request Jan 17, 2026
@timhoffm
Merge pull request #30986 from meeseeksmachine/auto-backport-of-pr-30…
50d13e4 
…985-on-v3.10.x

Backport PR #30985 on branch v3.10.x (MNT: do not assign a numpy array shape)
wavebyrd pushed a commit to wavebyrd/matplotlib that referenced this pull request Mar 13, 2026
@scottshambaugh @meeseeksmachine
Backport PR matplotlib#30985: MNT: do not assign a numpy array shape
0816be4
wavebyrd pushed a commit to wavebyrd/matplotlib that referenced this pull request Mar 13, 2026
@timhoffm
Merge pull request matplotlib#30986 from meeseeksmachine/auto-backpor…
10a7915 
…t-of-pr-30985-on-v3.10.x

Backport PR matplotlib#30985 on branch v3.10.x (MNT: do not assign a numpy array shape)
This was referenced Apr 21, 2026
Backport PR #31282 on branch v3.10.x (SEC: Block shell escapes in latex and ps commands) #31542
Closed
Backport PR #31248 on branch v3.10.x (SEC: Remove eval() from validate_cycler) #31543
Closed
merge up v3.10.9 #31560
Merged
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@timhoffm timhoffm timhoffm approved these changes
@scottshambaugh scottshambaugh scottshambaugh approved these changes

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@rcomer @timhoffm @scottshambaugh
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