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-rw-r--r--examples/versioning/test_versioning.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/examples/versioning/test_versioning.py b/examples/versioning/test_versioning.py
index ca70c9ac0..906280555 100644
--- a/examples/versioning/test_versioning.py
+++ b/examples/versioning/test_versioning.py
@@ -1,3 +1,5 @@
+"""Unit tests illustrating usage of the ``history_meta.py`` module functions."""
+
from unittest import TestCase
from sqlalchemy.ext.declarative import declarative_base
from .history_meta import Versioned, versioned_session