[Python-ideas] Boolean parameters guidelines

[Ian Kelly]

On May 8, 2016 12:42 AM, "Steven D'Aprano" <steve at pearwood.info> wrote:
>
> def pvariance(data, mu=None):
>     if iter(data) is data:
>         data = list(data)
>     n = len(data)
>     if n < 1:
>         raise StatisticsError('pvariance requires at least one data
point')
>     ss = _ss(data, mu)
>     T, ss = _ss(data, mu)

Copy-paste error?

>     return _convert(ss/n, T)