Merge pull request #29408 from meeseeksmachine/auto-backport-of-pr-29401-on-v3.10.x

scottshambaugh · web-flow · commit 2a0cd72c7225 · 2025-01-05T21:37:44.000-07:00
Backport PR #29401 on branch v3.10.x (FIX: add errorbars with `add_container`)
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -3861,7 +3861,7 @@ def apply_mask(arrays, mask):
             (data_line, tuple(caplines), tuple(barcols)),
             has_xerr=(xerr is not None), has_yerr=(yerr is not None),
             label=label)
-        self.containers.append(errorbar_container)
+        self.add_container(errorbar_container)
 
         return errorbar_container  # (l0, caplines, barcols)
 
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -4225,6 +4225,24 @@ def test_errorbar_nonefmt():
         assert np.all(errbar.get_color() == mcolors.to_rgba('C0'))
 
 
+def test_errorbar_remove():
+    x = np.arange(5)
+    y = np.arange(5)
+
+    fig, ax = plt.subplots()
+    ec = ax.errorbar(x, y, xerr=1, yerr=1)
+
+    assert len(ax.containers) == 1
+    assert len(ax.lines) == 5
+    assert len(ax.collections) == 2
+
+    ec.remove()
+
+    assert not ax.containers
+    assert not ax.lines
+    assert not ax.collections
+
+
 def test_errorbar_line_specific_kwargs():
     # Check that passing line-specific keyword arguments will not result in
     # errors.
