def __init__(self, db):

        self.db = db
        self.db.execute([
            'CREATE TABLE IF NOT EXISTS preferences (',
            '   key VARCHAR PRIMARY KEY, value VARCHAR',
            ');'])

        for (key, value) in Preferences.defaults:
            if self.get(key) is None:
                self.set(key, value)
dataset/ETHPy150Open posativ/isso/isso/db/preferences.py/Preferences.__init__/original