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-rw-r--r--silx/utils/array_like.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/silx/utils/array_like.py b/silx/utils/array_like.py
index 8ef1ace..1a2e72e 100644
--- a/silx/utils/array_like.py
+++ b/silx/utils/array_like.py
@@ -53,6 +53,7 @@ import sys
import numpy
import six
+import numbers
__authors__ = ["P. Knobel"]
__license__ = "MIT"
@@ -363,7 +364,7 @@ class ListOfImages(object):
frozen_dimensions = []
for i, idx in enumerate(item):
# slices and sequences
- if not isinstance(idx, int):
+ if not isinstance(idx, numbers.Integral):
output_dimensions.append(self.transposition[i])
# regular integer index
else: