We should, pull from upstream. 
On (May-15-14|13:54), Daniel McDonald wrote:
> > +
> > +        Returns
> > +        -------
> > +        biom.Table
> > +
> > +        Raises
> > +        ------
> > +        ValueError
> > +            If `n` is less than zero.
> > +
> > +        Notes
> > +        -----
> > +        Subsampling is performed without replacement. If `n` is greater than
> > +        the sum of a given vector, that vector is omitted from the result.
> > +
> > +        Shamelessly adapted from scikit-bio (`skbio.math.subsample`).
> 
> we don't have licenses folder or file tho...
> 
> 
> On Thu, May 15, 2014 at 2:48 PM, Yoshiki Vázquez Baeza <
> notifications@github.com> wrote:
> 
> > In biom/table.py:
> >
> > > +
> > > +        Returns
> > > +        -------
> > > +        biom.Table
> > > +
> > > +        Raises
> > > +        ------
> > > +        ValueError
> > > +            If `n` is less than zero.
> > > +
> > > +        Notes
> > > +        -----
> > > +        Subsampling is performed without replacement. If `n` is greater than
> > > +        the sum of a given vector, that vector is omitted from the result.
> > > +
> > > +        Shamelessly adapted from scikit-bio (`skbio.math.subsample`).
> >
> > I would opt to change this to be:
> >
> > Adapted from skbio.math.subsample, see biom-format/licenses for more
> > information about scikit-bio.
> >
> > Then also add the license to the licenses folder in the base directory.
> >
> > —
> > Reply to this email directly or view it on GitHub<https://github.com/biocore/biom-format/pull/397/files#r12712339>
> > .
> >
> 
> ---
> Reply to this email directly or view it on GitHub:
> https://github.com/biocore/biom-format/pull/397/files#r12712695