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-rw-r--r--lib/sqlalchemy/engine/default.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 38ea903e4..b06f862f7 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -4,7 +4,13 @@
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
-"""Default implementations of per-dialect sqlalchemy.engine classes."""
+"""Default implementations of per-dialect sqlalchemy.engine classes.
+
+These are semi-private implementation classes which are only of importance
+to database dialect authors; dialects will usually use the classes here
+as the base class for their own corresponding classes.
+
+"""
import re, random