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-rw-r--r--numpy/core/numeric.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/numpy/core/numeric.py b/numpy/core/numeric.py
index e7307a870..066697f3e 100644
--- a/numpy/core/numeric.py
+++ b/numpy/core/numeric.py
@@ -1532,7 +1532,7 @@ def rollaxis(a, axis, start=0):
start += n
msg = "'%s' arg requires %d <= %s < %d, but %d was passed in"
if not (0 <= start < n + 1):
- raise IndexError(msg % ('start', -n, 'start', n + 1, start))
+ raise AxisError(msg % ('start', -n, 'start', n + 1, start))
if axis < start:
# it's been removed
start -= 1
@@ -1551,7 +1551,7 @@ def _validate_axis(axis, ndim, argname):
axis = list(axis)
axis = [a + ndim if a < 0 else a for a in axis]
if not builtins.all(0 <= a < ndim for a in axis):
- raise IndexError('invalid axis for this array in `%s` argument' %
+ raise AxisError('invalid axis for this array in `%s` argument' %
argname)
if len(set(axis)) != len(axis):
raise ValueError('repeated axis in `%s` argument' % argname)