Bug when running Zesje with most recent sqlalchemy
When I run Zesje in development mode with the most recent version of sqlalchemy, running the example_data.py file will throw an error, which you will get again when you want exam details. The error you get: AttributeError: 'NoneType' object has no attribute '_path_registry'
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Changing the version to sqlalchemy 1.3.* makes everything run like it should.
Edited by Nathalie van de Werken