def _read_csv(path):
    with tf.io.gfile.GFile(path) as f:
        reader = csv.DictReader(f)
        for row in reader:
            if row['id']:
                (yield row)
def _read_csv(path):
    with tf.io.gfile.GFile(path) as f:
        reader = csv.DictReader(f)
        for row in reader:
            if row['id']:
                (yield row)