def get_evaluations(self, variant_obj):
query = dict(variant_id=variant_obj['<STR_LIT>'])<EOL>res = self.acmg_collection.find(query).sort([('<STR_LIT>', pymongo.DESCENDING)])<EOL>return res<EOL>
Return all evaluations for a certain variant.

        Args:
            variant_obj (dict): variant dict from the database

        Returns:
            pymongo.cursor: database cursor