diff options
Diffstat (limited to 'numpy/core/fromnumeric.py')
| -rw-r--r-- | numpy/core/fromnumeric.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/numpy/core/fromnumeric.py b/numpy/core/fromnumeric.py index de85c1143..6c7ef4c1f 100644 --- a/numpy/core/fromnumeric.py +++ b/numpy/core/fromnumeric.py @@ -1881,6 +1881,12 @@ def sum(a, axis=None, dtype=None, out=None, keepdims=np._NoValue): if keepdims is not np._NoValue: kwargs['keepdims'] = keepdims if isinstance(a, _gentype): + # 2018-02-25, 1.15.0 + warnings.warn( + "Calling np.sum(generator) is deprecated, and in the future will give a different result. " + "Use np.sum(np.from_iter(generator)) or the python sum builtin instead.", + DeprecationWarning, stacklevel=2) + res = _sum_(a) if out is not None: out[...] = res |