Group query fails in some cases (probably when queried by a member/owner)

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/dist-packages/django/core/handlers/exception.py", line 55, in inner
    response = get_response(request)
               ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/django/core/handlers/base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/django/views/generic/base.py", line 103, in view
    return self.dispatch(request, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/django/utils/decorators.py", line 46, in _wrapper
    return bound_method(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/django/utils/decorators.py", line 133, in _wrapped_view
    response = view_func(request, *args, **kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphene_django/views.py", line 169, in dispatch
    responses = [self.get_response(request, entry) for entry in data]
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphene_django/views.py", line 169, in <listcomp>
    responses = [self.get_response(request, entry) for entry in data]
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphene_django/views.py", line 196, in get_response
    execution_result = self.execute_graphql_request(
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/aleksis/core/views.py", line 1556, in execute_graphql_request
    raise error
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 540, in execute_field
    completed = self.complete_value(
                ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 632, in complete_value
    return self.complete_list_value(
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 744, in complete_list_value
    self.handle_field_error(error, item_type)
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 569, in handle_field_error
    raise error
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 726, in complete_list_value
    completed_item = self.complete_value(
                     ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 612, in complete_value
    completed = self.complete_value(
                ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 650, in complete_value
    return self.complete_object_value(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 927, in complete_object_value
    return self.execute_fields(return_type, result, path, sub_field_nodes)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 431, in execute_fields
    result = self.execute_field(
             ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 558, in execute_field
    self.handle_field_error(error, return_type)
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 569, in handle_field_error
    raise error
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 540, in execute_field
    completed = self.complete_value(
                ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 612, in complete_value
    completed = self.complete_value(
                ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 632, in complete_value
    return self.complete_list_value(
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 744, in complete_list_value
    self.handle_field_error(error, item_type)
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 569, in handle_field_error
    raise error
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 726, in complete_list_value
    completed_item = self.complete_value(
                     ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 612, in complete_value
    completed = self.complete_value(
                ^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 650, in complete_value
    return self.complete_object_value(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 927, in complete_object_value
    return self.execute_fields(return_type, result, path, sub_field_nodes)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 431, in execute_fields
    result = self.execute_field(
             ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 558, in execute_field
    self.handle_field_error(error, return_type)
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 569, in handle_field_error
    raise error
  File "/usr/local/lib/python3.11/dist-packages/graphql/execution/execute.py", line 521, in execute_field
    result = resolve_fn(source, info, **args)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/graphene_django/fields.py", line 55, in list_resolver
    queryset = maybe_queryset(resolver(root, info, **args))
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/aleksis/core/schema/group.py", line 51, in resolve_owners
    persons = (persons | Person.objects.get(pk=info.context.user.person.pk)).distinct()
               ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  File "/usr/local/lib/python3.11/dist-packages/django/db/models/query.py", line 464, in __or__
    self._check_operator_queryset(other, "|")
  File "/usr/local/lib/python3.11/dist-packages/django/db/models/query.py", line 1952, in _check_operator_queryset
    if self.query.combinator or other.query.combinator:
                                ^^^^^^^^^^^
graphql.error.graphql_error.GraphQLError: 'Person' object has no attribute 'query'

assigned to @magicfelix

created branch 895-group-query-fails-in-some-cases-probably-when-queried-by-a-member-owner to address this issue

mentioned in merge request !1300 (merged)

closed with merge request !1300 (merged)

mentioned in commit 576e80a2