Documents settings.py for python-spanner-django

DATABASES = { 'default': { 'ENGINE': 'django_spanner', 'PROJECT': '<GCP_project_id>', 'INSTANCE': '<instance_id>', 'NAME': '<database_name>', 'OPTIONS': { 'credentials_uri': '<credentials_uri>', }, }, } 

TypeError: connect() got an unexpected keyword argument 'credentials_uri'

Reference issue : googleapis/python-spanner-django#582

The paramter credentials_uri was there when db_api is part of python-spanner-django, but it removed or replaced by credentials parameter when it moved to python-spanner.