StackRduino
diff --git a/‎py/objstr.c‎
Lines changed: 1 addition & 1 deletion b/‎py/objstr.c‎
Lines changed: 1 addition & 1 deletion
@@ -1484,7 +1484,7 @@ STATIC mp_obj_t str_modulo_format(mp_obj_t pattern, mp_uint_t n_args, const mp_o
         nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "not all arguments converted during string formatting"));
     }
 
-    return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
+    return mp_obj_new_str_from_vstr(is_bytes ? &mp_type_bytes : &mp_type_str, &vstr);
 }
 
 // The implementation is optimized, returning the original string if there's
Original file line number	Diff line number	Diff line change
`@@ -1484,7 +1484,7 @@ STATIC mp_obj_t str_modulo_format(mp_obj_t pattern, mp_uint_t n_args, const mp_o`
`1484`	`1484`	`nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "not all arguments converted during string formatting"));`
`1485`	`1485`	`}`
`1486`	`1486`
`1487`		`- return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);`
	`1487`	`+ return mp_obj_new_str_from_vstr(is_bytes ? &mp_type_bytes : &mp_type_str, &vstr);`
`1488`	`1488`	`}`
`1489`	`1489`
`1490`	`1490`	`// The implementation is optimized, returning the original string if there's`