diff --git a/lib/matplotlib/spines.py b/lib/matplotlib/spines.py
index b07514d324d8..7e7a423c787b 100644
--- a/lib/matplotlib/spines.py
+++ b/lib/matplotlib/spines.py
@@ -550,7 +550,7 @@ def __getattr__(self, name):
try:
return self._dict[name]
except KeyError:
- raise ValueError(
+ raise AttributeError(
f"'Spines' object does not contain a '{name}' spine")
def __getitem__(self, key):
diff --git a/lib/matplotlib/tests/test_spines.py b/lib/matplotlib/tests/test_spines.py
index 589badc310d9..b8891aec411e 100644
--- a/lib/matplotlib/tests/test_spines.py
+++ b/lib/matplotlib/tests/test_spines.py
@@ -35,6 +35,8 @@ def set_val(self, val):
spines[:].set_val('y')
assert all(spine.val == 'y' for spine in spines.values())
+ with pytest.raises(AttributeError, match='foo'):
+ spines.foo
with pytest.raises(KeyError, match='foo'):
spines['foo']
with pytest.raises(KeyError, match='foo, bar'):
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