update to python3.7

lib/python3.7/site-packages/sqlalchemy/testing/mock.py

@@ -0,0 +1,21 @@
+# testing/mock.py
+# Copyright (C) 2005-2016 the SQLAlchemy authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of SQLAlchemy and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
+
+"""Import stub for mock library.
+"""
+from __future__ import absolute_import
+from ..util import py33
+
+if py33:
+    from unittest.mock import MagicMock, Mock, call, patch, ANY
+else:
+    try:
+        from mock import MagicMock, Mock, call, patch, ANY
+    except ImportError:
+        raise ImportError(
+            "SQLAlchemy's test suite requires the "
+            "'mock' library as of 0.8.2.")