tuple() properties should be supported

[phorward]

Trying to write a tuple to the datastore fails with this:

[2024-02-09 19:24:17,825] /.../viur/core/request.py:424 [ERROR] Deferred Task emulation <function History._writeToDatastore at 0x70c7b40fb1a0> failed
Traceback (most recent call last):
  File "~/viur-core/src/viur/core/request.py", line 422, in _process
    task()
  File "~/viur-core/src/viur/core/tasks.py", line 541, in task
    return func(self, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "~/myproject/deploy/modules/history.py", line 87, in _writeToDatastore
    assert skel.toDB()
           ^^^^^^^^^^^
  File "~/viur-core/src/viur/core/skeleton.py", line 1143, in toDB
    bone.postSavedHandler(skel, bone_name, key)
  File "~/viur-core/src/viur/core/bones/relational.py", line 623, in postSavedHandler
    db.Put(dbObj)
  File "src/viur/datastore/transport.pyx", line 733, in viur.datastore.transport.Put
  File "src/viur/datastore/transport.pyx", line 207, in viur.datastore.transport.pythonPropToJson
  File "src/viur/datastore/transport.pyx", line 237, in viur.datastore.transport.pythonPropToJson
AssertionError: ('key', 'name', 'firstname', 'lastname') (<class 'tuple'>) is not supported

[ArneGudermann]

I think this is not possible because the datastore not accepted a tuple or a set.
https://cloud.google.com/datastore/docs/reference/data/rest/Shared.Types/Value

[skoegl]

ack, please convert the tuple of foo to list of foo