### Proposed Changes

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### Please check that the PR fulfills these requirements

- [ ] Tests for the changes have been added (for bug fixes / features)
- [ ] New python code has been linted with with flake8 (``flake8 --config .github/linters/.flake8 ./wger``)
and isort (``isort``) 
- [ ] Added yourself to AUTHORS.rst

### Other questions

* Does this PR introduce a breaking change such as a database migration? (i.e.
what changes might users need to make in their running application due to
this PR?)