key length increased in migration file (#599)
key length increased in migration file (#599)

* key length increased in migration file

To keep up with the updated models.py
CSC-IT-Center-for-Science/pouta-blueprints,CSC-IT-Center-for-Science/pouta-blueprints,CSC-IT-Center-for-Science/pouta-blueprints,CSC-IT-Center-for-Science/pouta-blueprints