---
other:
  - |
    Since `commit <https://github.com/sqlalchemy/sqlalchemy/commit/6446e0dfd3e3bb60754bad81c4d52345733d94e3>`_,
    an AssociationProxy proxy instance is an AssociationProxyInstance
    derivative object. In order to import versions SQLAlchemy>=1.3.x, we need
    to handle both implementations.