How to use the ubelt.util_hash.hash_data function in ubelt

def _condense_cfgstr(self, cfgstr=None):
        cfgstr = self._rectify_cfgstr(cfgstr)
        # The 49 char maxlen is just long enough for an 8 char name, an 1 char
        # underscore, and a 40 char sha1 hash.
        max_len = 49
        if len(cfgstr) > max_len:
            from ubelt import util_hash
            condensed = util_hash.hash_data(cfgstr, hasher=self.hasher, base='hex')
            condensed = condensed[0:max_len]
        else:
            condensed = cfgstr
        return condensed

def _hashable(item):
    """
    Returns the item if it is naturally hashable, otherwise it tries to use
    ub.hash_data to make it hashable. Errors if it cannot.
    """
    try:
        hash(item)
    except TypeError:
        return util_hash.hash_data(item)
    else:
        return item