def pi(self) -> PiRequestBuilder:
        """
        Provides operations to call the pi method.
        """
        from .pi.pi_request_builder import PiRequestBuilder

        return PiRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the pi method.
        
msgraph/generated/drives/item/items/item/workbook/functions/functions_request_builder.py