'Obtain a file suitable for fulfilling `requirement`
DEPRECATED; use the ``fetch_distribution()`` method now instead.  For
backward compatibility, this routine is identical but returns the
``location`` of the downloaded distribution instead of a distribution
object.'

def fetch(self, requirement, tmpdir, force_scan=False, source=False):

    dist = self.fetch_distribution(requirement, tmpdir, force_scan, source)
    if (dist is not None):
        return dist.location
    return None
