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authorEric Wieser <wieser.eric@gmail.com>2018-07-08 17:38:33 +0100
committerGitHub <noreply@github.com>2018-07-08 17:38:33 +0100
commit4bed228adba88f9c5b85eaad308582db79a95b7b (patch)
treeed72644898d8026053cfcf82340beec53dd67cb0 /numpy/core/numeric.py
parent5c42cc31fa1ac6bfaed50d7069d7bb8e8fd8bb53 (diff)
downloadnumpy-4bed228adba88f9c5b85eaad308582db79a95b7b.tar.gz
MAINT: Restore previous behavior on subclasses
Diffstat (limited to 'numpy/core/numeric.py')
-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 a9fa3efe0..e5570791a 100644
--- a/numpy/core/numeric.py
+++ b/numpy/core/numeric.py
@@ -1509,8 +1509,8 @@ def normalize_axis_tuple(axis, ndim, argname=None, allow_duplicate=False):
--------
normalize_axis_index : normalizing a single scalar axis
"""
- # Speed-up most common cases.
- if not isinstance(axis, (list, tuple)):
+ # Optimization to speed-up the most common cases.
+ if type(axis) not in (tuple, list):
try:
axis = [operator.index(axis)]
except TypeError: