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-rw-r--r--numpy/oldnumeric/ma.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/numpy/oldnumeric/ma.py b/numpy/oldnumeric/ma.py
index 532e4f905..1284c6019 100644
--- a/numpy/oldnumeric/ma.py
+++ b/numpy/oldnumeric/ma.py
@@ -18,6 +18,9 @@ from numpy.core.numerictypes import bool_, typecodes
import numpy.core.numeric as numeric
import warnings
+if sys.version_info[0] >= 3:
+ from functools import reduce
+
# Ufunc domain lookup for __array_wrap__
ufunc_domain = {}
# Ufunc fills lookup for __array__