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-rw-r--r--numpy/polynomial/polyutils.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/numpy/polynomial/polyutils.py b/numpy/polynomial/polyutils.py
index e9fbc0fcf..a9059f522 100644
--- a/numpy/polynomial/polyutils.py
+++ b/numpy/polynomial/polyutils.py
@@ -46,6 +46,7 @@ Functions
from __future__ import division, absolute_import, print_function
import operator
+import warnings
import numpy as np