Internal features.

PiperOrigin-RevId: 589827081

Author: SeqIO Team

seqio/loggers_test.py

@@ -13,10 +13,12 @@
 # limitations under the License.
 
 """Tests for seqio.loggers."""
-# pylint:disable=g-bare-generic,g-long-lambda
 
+# pylint:disable=g-bare-generic,g-long-lambda
 
+import collections
 import dataclasses
+import itertools
 import json
 import os
 from typing import Optional