Try and load from a partially specified configuration string

def fuzzyload(self, cachedir=None, partial_cfgstr='', **kwargs):
        """
        Try and load from a partially specified configuration string
        """
        valid_targets = self.glob_valid_targets(cachedir, partial_cfgstr)
        if len(valid_targets) != 1:
            import utool as ut
            msg = 'need to further specify target. valid_targets=%s' % (ut.repr3(valid_targets,))
            raise ValueError(msg)
        fpath = valid_targets[0]
        self.load(fpath=fpath, **kwargs)