def query_artist(self, artist):
        result = self._query({'action': 'artist', 'artistname': artist})
        if not result:
            return None
        tags = {tag['name'].replace('.', ' '): tag.get('count', 0)
                for tag in result['tags']}
        return [{'tags': tags}]
Constructor.
dataset/ETHPy150Open YetAnotherNerd/whatlastgenre/wlg/dataprovider.py/WhatCD.query_artist--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/blobstore/dict_blob_storage.py/DictBlobStorage.__init__