<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_compositions_by_asset(self, asset_id):
 """Gets a list of compositions including the given asset. arg: asset_id (osid.id.Id):
 ``Id`` of the ``Asset`` return: (osid.repository.CompositionList) - the returned ``Composition list`` raise: NotFound - ``asset_id`` is not found raise: NullArgument - ``asset_id`` is ``null`` raise: OperationFailed - unable to complete request raise: PermissionDenied - authorization failure *compliance: mandatory -- This method must be implemented.* """

        # Implemented from template for
        # osid.repository.AssetCompositionSession.get_compositions_by_asset
        collection = JSONClientValidated('repository',
                                         collection='Composition',
                                         runtime=self._runtime)
        result = collection.find(
            dict({'assetIds': {'$in': [str(asset_id)]}},
                 **self._view_filter())).sort('_id', DESCENDING)
        return objects.CompositionList(result, runtime=self._runtime)