Traceback (most recent call last):
File "<string>", line 1, in <module>
from matplotlib import pyplot as plt; plt.boxplot([], tick_labels=[])
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
File "/venv/lib/python3.14/site-packages/matplotlib/_api/deprecation.py", line 477, in wrapper
return func(*args, **kwargs)
File "/venv/lib/python3.14/site-packages/matplotlib/pyplot.py", line 3234, in boxplot
return gca().boxplot(
~~~~~~~~~~~~~^
x,
^^
...<28 lines>...
**({"data": data} if data is not None else {}),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/venv/lib/python3.14/site-packages/matplotlib/_api/deprecation.py", line 477, in wrapper
return func(*args, **kwargs)
File "/venv/lib/python3.14/site-packages/matplotlib/__init__.py", line 1528, in inner
return func(
ax,
*map(cbook.sanitize_sequence, args),
**{k: cbook.sanitize_sequence(v) for k, v in kwargs.items()})
File "/venv/lib/python3.14/site-packages/matplotlib/axes/_axes.py", line 4541, in boxplot
bxpstats = cbook.boxplot_stats(x, whis=whis, bootstrap=bootstrap,
labels=tick_labels, autorange=autorange)
File "/venv/lib/python3.14/site-packages/matplotlib/cbook.py", line 1269, in boxplot_stats
raise ValueError("Dimensions of labels and X must be compatible")
ValueError: Dimensions of labels and X must be compatible
Drawing nothing, without crashing.
Bug summary
boxploterrors when the argumentsxandtick_labelsare both empty.Code for reproduction
Actual outcome
Expected outcome
Drawing nothing, without crashing.
Additional information
The error is raised here.
This happens because
_reshape_2D([], "X")is returning[[]], which has alenof 1 rather than 0.Operating system
macOS Tahoe 26.5.2
Matplotlib Version
3.11.1
Matplotlib Backend
macosx
Python version
Python 3.14.6
Jupyter version
7.6.0
Installation
pip