Use for questions on the Bottleneck package - a collection of array function utilities in C for NumPy. Use with the [python] language tag and [numpy]. If relevant to the issue of the question, use one of the versioned [python-*] tags.
About
Bottleneck is a utility package adding array functions for working with the NumPy language extension for Python.
Example
from math import nan
from numpy import array
from bottleneck import anynan
truthy = array([1,2,3], copy=True)
falsy = array([nan, 2,3], copy=True)
print(anynan(truthy)) # False
print(anynan(falsy)) # True
Usage guidance
