mitsuhiko/flask-sqlalchemy — pull request #167 by allendoerfer (2013-11-13 18:25:01+00:00)
Title: Fix _execute_for_all_tables() in Python 3

- SQLAlchemy._execute_for_all_tables()
Command could not be executed against specific binds, because
types of strings were checked against basestring().

Use string_types from the compatibility layer, instead to support
Python 3.