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Backport PR #51990 on branch 2.0.x (CI: Unpin matplotlib) #52874

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2 changes: 1 addition & 1 deletion ci/deps/actions-310.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ dependencies:
- gcsfs
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
- numba
- numexpr
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion ci/deps/actions-311.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ dependencies:
- gcsfs
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
# - numba not compatible with 3.11
- numexpr
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion ci/deps/actions-38-downstream_compat.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ dependencies:
- gcsfs
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
- numba
- numexpr
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion ci/deps/actions-38.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ dependencies:
- gcsfs
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
- numba
- numexpr
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion ci/deps/actions-39.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ dependencies:
- gcsfs
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
- numba
- numexpr
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion ci/deps/circle-38-arm64.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ dependencies:
- gcsfs
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
- numba
- numexpr
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion environment.yml
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ dependencies:
- ipython
- jinja2
- lxml
- matplotlib>=3.6.1, <3.7.0
- matplotlib>=3.6.1
- numba>=0.53.1
- numexpr>=2.8.0 # pin for "Run checks on imported code" job
- openpyxl<3.1.1
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2 changes: 1 addition & 1 deletion pandas/plotting/_core.py
Original file line number Diff line number Diff line change
Expand Up @@ -387,7 +387,7 @@ def hist_frame(

>>> boxplot = df.boxplot(column=['Col1', 'Col2'], return_type='axes')
>>> type(boxplot)
<class 'matplotlib.axes._subplots.AxesSubplot'>
<class 'matplotlib.axes._axes.Axes'>

When grouping with ``by``, a Series mapping columns to ``return_type``
is returned:
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27 changes: 10 additions & 17 deletions pandas/plotting/_misc.py
Original file line number Diff line number Diff line change
Expand Up @@ -139,22 +139,15 @@ def scatter_matrix(

>>> df = pd.DataFrame(np.random.randn(1000, 4), columns=['A','B','C','D'])
>>> pd.plotting.scatter_matrix(df, alpha=0.2)
array([[<AxesSubplot: xlabel='A', ylabel='A'>,
<AxesSubplot: xlabel='B', ylabel='A'>,
<AxesSubplot: xlabel='C', ylabel='A'>,
<AxesSubplot: xlabel='D', ylabel='A'>],
[<AxesSubplot: xlabel='A', ylabel='B'>,
<AxesSubplot: xlabel='B', ylabel='B'>,
<AxesSubplot: xlabel='C', ylabel='B'>,
<AxesSubplot: xlabel='D', ylabel='B'>],
[<AxesSubplot: xlabel='A', ylabel='C'>,
<AxesSubplot: xlabel='B', ylabel='C'>,
<AxesSubplot: xlabel='C', ylabel='C'>,
<AxesSubplot: xlabel='D', ylabel='C'>],
[<AxesSubplot: xlabel='A', ylabel='D'>,
<AxesSubplot: xlabel='B', ylabel='D'>,
<AxesSubplot: xlabel='C', ylabel='D'>,
<AxesSubplot: xlabel='D', ylabel='D'>]], dtype=object)
array([[<Axes: xlabel='A', ylabel='A'>, <Axes: xlabel='B', ylabel='A'>,
<Axes: xlabel='C', ylabel='A'>, <Axes: xlabel='D', ylabel='A'>],
[<Axes: xlabel='A', ylabel='B'>, <Axes: xlabel='B', ylabel='B'>,
<Axes: xlabel='C', ylabel='B'>, <Axes: xlabel='D', ylabel='B'>],
[<Axes: xlabel='A', ylabel='C'>, <Axes: xlabel='B', ylabel='C'>,
<Axes: xlabel='C', ylabel='C'>, <Axes: xlabel='D', ylabel='C'>],
[<Axes: xlabel='A', ylabel='D'>, <Axes: xlabel='B', ylabel='D'>,
<Axes: xlabel='C', ylabel='D'>, <Axes: xlabel='D', ylabel='D'>]],
dtype=object)
"""
plot_backend = _get_plot_backend("matplotlib")
return plot_backend.scatter_matrix(
Expand Down Expand Up @@ -509,7 +502,7 @@ def lag_plot(series: Series, lag: int = 1, ax: Axes | None = None, **kwds) -> Ax
:context: close-figs

>>> pd.plotting.lag_plot(s, lag=1)
<AxesSubplot: xlabel='y(t)', ylabel='y(t + 1)'>
<Axes: xlabel='y(t)', ylabel='y(t + 1)'>
"""
plot_backend = _get_plot_backend("matplotlib")
return plot_backend.lag_plot(series=series, lag=lag, ax=ax, **kwds)
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4 changes: 2 additions & 2 deletions pandas/tests/plotting/test_series.py
Original file line number Diff line number Diff line change
Expand Up @@ -456,8 +456,8 @@ def test_df_series_secondary_legend(self):
)
def test_secondary_logy(self, input_logy, expected_scale):
# GH 25545
s1 = Series(np.random.randn(30))
s2 = Series(np.random.randn(30))
s1 = Series(np.random.randn(100))
s2 = Series(np.random.randn(100))

# GH 24980
ax1 = s1.plot(logy=input_logy)
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2 changes: 1 addition & 1 deletion requirements-dev.txt
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ gcsfs
ipython
jinja2
lxml
matplotlib>=3.6.1, <3.7.0
matplotlib>=3.6.1
numba>=0.53.1
numexpr>=2.8.0
openpyxl<3.1.1
Expand Down