def _from_catalog(self):
        if self.dbconn.version < 90100:
            self.query = QUERY_PRE91
        super(ForeignDataWrapperDict, self)._from_catalog()
Initialize the dictionary of wrappers by querying the catalogs
dataset/ETHPy150Open perseas/Pyrseas/pyrseas/dbobject/foreign.py/ForeignDataWrapperDict._from_catalog