<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def addclassifications(agdir, prop, version=None, statfeats = [0,4,5,6,7,8]):
 """ Calculates real score probability of prop from an activegit repo. version is string name of activegit tag. Default agdir initialization will have latest tag, so version is optional. statfeats set to work with alnotebook naming. """


    try:
        ag = activegit.ActiveGit(agdir)
        if version:
            ag.set_version(version)
        clf = ag.classifier

        score = clf.predict_proba((np.nan_to_num(prop[:,statfeats])))[:,1]  # take real score
        return score
    except:
        logger.info('Failure when parsing activegit repo or applying classification.\n{0}'.format(sys.exc_info()[0]))
        return []