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Description
In Matplotlib 3.2.1, the following code worked:
from matplotlib.pyplot import boxplot
boxplot([[1],[2],[3]], positions=[1,2,3])
However, in Matplotlib 3.3.0 the same code throws the following error:
ValueError: List of boxplot statistics and `positions` values must have same the length
I'm working on a project which generates lots of boxplots automatically and occasionally each boxplot only has 1 datapoint, so it's important for that case to work.
git bisect revealed that the problem is changed behavior in the _reshape_2D function:
ac018af76cae81054dd27c2d4039dfd5467a1366 is the first bad commit
commit ac018af76cae81054dd27c2d4039dfd5467a1366
Author: Elliott Sales de Andrade <quantum.analyst@gmail.com>
Date: Tue May 5 23:53:00 2020 -0400
Rewrite _reshape_2D to not use ragged ndarrays.
This is a raising a deprecation warning in NumPy 1.19, may go away some
time later, and is not strictly necessary for the implementation.
lib/matplotlib/cbook/__init__.py | 46 ++++++++++++++++++++++++++++++----------
1 file changed, 35 insertions(+), 11 deletions(-)
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