Storage over multiple workspaces

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Before the migration we used to have a Storage at the root entity level based on the entity_id to get all information of the underlying children.

Now we have multiple workspaces with each it’s own root entity.

How to save/get data within the same application over different workspaces making use of your Storage?
And how to filter out “Development” workspaces? (I can use a different key, but I can’t find a Development property in the workspace object)

The snippet below results in an Internal Error.

import os

from viktor import Storage
from viktor.api_v1 import API

workspaces = API(token=os.environ.get("COMPANY_TOKEN")).get_workspaces(app_name="APP NAME", include_archived=False)
for workspace in workspaces:
    root_entities = workspace.get_root_entities()
    for entity in root_entities:
        if entity.entity_type.name != "EntityName":
            continue
        storage = Storage()
        file = storage.get(key="cpt_data", scope="entity", entity=entity)
        # InternalError