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Backport PR #52150 on branch 2.0.x (Fix/mpl37 compat) #53850

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merged 1 commit into from
Jun 26, 2023
Merged

Backport PR #52150 on branch 2.0.x (Fix/mpl37 compat) #53850

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4 changes: 3 additions & 1 deletion pandas/plotting/_matplotlib/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1112,7 +1112,9 @@ def _get_subplots(self):
from matplotlib.axes import Subplot

return [
ax for ax in self.axes[0].get_figure().get_axes() if isinstance(ax, Subplot)
ax
for ax in self.fig.get_axes()
if (isinstance(ax, Subplot) and ax.get_subplotspec() is not None)
]

def _get_axes_layout(self) -> tuple[int, int]:
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19 changes: 19 additions & 0 deletions pandas/tests/plotting/test_common.py
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Expand Up @@ -40,3 +40,22 @@ def test__gen_two_subplots_with_ax(self):
subplot_geometry = list(axes[0].get_subplotspec().get_geometry()[:-1])
subplot_geometry[-1] += 1
assert subplot_geometry == [2, 1, 2]

def test_colorbar_layout(self):
fig = self.plt.figure()

axes = fig.subplot_mosaic(
"""
AB
CC
"""
)

x = [1, 2, 3]
y = [1, 2, 3]

cs0 = axes["A"].scatter(x, y)
axes["B"].scatter(x, y)

fig.colorbar(cs0, ax=[axes["A"], axes["B"]], location="right")
DataFrame(x).plot(ax=axes["C"])