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Backport PR #15166 on branch v3.1.x #15172

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Merged
merged 1 commit into from
Sep 2, 2019
Merged

Backport PR #15166 on branch v3.1.x #15172

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4 changes: 2 additions & 2 deletions lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2163,12 +2163,12 @@ def _convert_dx(dx, x0, xconv, convert):
# removes the units from unit packages like `pint` that
# wrap numpy arrays.
try:
x0 = x0[0]
x0 = cbook.safe_first_element(x0)
except (TypeError, IndexError, KeyError):
x0 = x0

try:
x = xconv[0]
x = cbook.safe_first_element(xconv)
except (TypeError, IndexError, KeyError):
x = xconv

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8 changes: 8 additions & 0 deletions lib/matplotlib/tests/test_axes.py
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Expand Up @@ -1592,6 +1592,14 @@ def test_bar_pandas(pd):
ax.plot(dates, baseline, color='orange', lw=4)


def test_bar_pandas_indexed(pd):
# Smoke test for indexed pandas
df = pd.DataFrame({"x": [1., 2., 3.], "width": [.2, .4, .6]},
index=[1, 2, 3])
fig, ax = plt.subplots()
ax.bar(df.x, 1., width=df.width)


@image_comparison(baseline_images=['hist_log'],
remove_text=True)
def test_hist_log():
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