Source: https://databento.com/docs/api-historical/helpers/dbn-store-reader


### DBNStore.reader

Return an I/O reader for the data.

#### API method

```python
DBNStore.reader() -> IO[bytes]
```

#### Returns

A raw [IO stream](https://docs.python.org/3/library/io.html#io.RawIOBase) for reading the DBNStore data.

#### Example usage

```python
import databento as db

client = db.Historical("$YOUR_API_KEY")

bento = client.timeseries.get_range(
    dataset="GLBX.MDP3",
    symbols="ZWZ3",
    start="2022-06-06",
)

# Create an IO stream reader
reader = bento.reader
```