use anyhow::{format_err, Error};
-use pbs_datastore::DataBlob;
+use pbs_datastore::{DataStore, DataBlob};
-use crate::backup::{DataStore, SnapshotReader};
+use crate::backup::SnapshotReader;
use crate::tape::CatalogSet;
/// Chunk iterator which use a separate thread to read chunks