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Fix `TypeError: can't concat str to bytes` when running script with Python 3.

Closes #350

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ZODB, a Python object-oriented database

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ZODB provides an object-oriented database for Python that provides a high-degree of transparency. ZODB runs on Python 2.7 or Python 3.4 and above. It also runs on PyPy.

  • no separate language for database operations

  • very little impact on your code to make objects persistent

  • no database mapper that partially hides the database.

    Using an object-relational mapping is not like using an object-oriented database.

  • almost no seam between code and database.

ZODB is an ACID Transactional database.

To learn more, visit:

The github repository is at

If you're interested in contributing to ZODB itself, see the developer notes.