def refresh_schema(self) -> None:
        """
        Refreshes the FalkorDB graph schema information.
        """
        node_properties = self.query("CALL DB.PROPERTYKEYS()")
        relationships = self.query("CALL DB.RELATIONSHIPTYPES()")

        self.schema = f"""
        Properties: {node_properties}
        Relationships: {relationships}
        """

        Refreshes the FalkorDB graph schema information.
        
llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/llama_index/graph_stores/falkordb/base.py