diff options
Diffstat (limited to 'numpy/lib/function_base.py')
-rw-r--r-- | numpy/lib/function_base.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py index 422a87322..07b845e2b 100644 --- a/numpy/lib/function_base.py +++ b/numpy/lib/function_base.py @@ -1,6 +1,11 @@ from __future__ import division, absolute_import, print_function -import collections +try: + # Accessing collections abstact classes from collections + # has been deprecated since Python 3.3 + import collections.abc as collections_abc +except ImportError: + import collections as collections_abc import re import sys import warnings @@ -547,7 +552,7 @@ def piecewise(x, condlist, funclist, *args, **kw): y = zeros(x.shape, x.dtype) for k in range(n): item = funclist[k] - if not isinstance(item, collections.Callable): + if not isinstance(item, collections_abc.Callable): y[condlist[k]] = item else: vals = x[condlist[k]] |