Impacted versions: 11.0

Steps to reproduce: Uninstall pos_sale

Current behavior: Sale --> Reporting --> All Channels Sales Order
![](https://image.prntscr.com/image/tk6hMEBIRDiX_8NoC0p94Q.png)

Expected behavior: Report should be there

Video/Screenshot link (optional):


odoo/modules/registry.py
env = odoo.api.Environment(cr, SUPERUSER_ID, {})
        for model_name in self._init_parent:
            if model_name in env:
                env[model_name]._parent_store_compute()
        self._init = False
    def descendants(self, model_names, *kinds):
        """ Return the models corresponding to ``model_names`` and all those
        that inherit/inherits from them.
        """
        assert all(kind in ('_inherit', '_inherits') for kind in kinds)
        funcs = [attrgetter(kind + '_children') for kind in kinds]
        models = OrderedSet()
        queue = deque(model_names)
        while queue:
            model = self[queue.popleft()]
            models.add(model._name)
            for func in funcs:
                queue.extend(func(model))
        return models
    def load(self, cr, module):