diff options
Diffstat (limited to 'py/objstr.c')
| -rw-r--r-- | py/objstr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/py/objstr.c b/py/objstr.c index 17d06f88e8..2331004a5b 100644 --- a/py/objstr.c +++ b/py/objstr.c @@ -354,7 +354,7 @@ mp_obj_t mp_obj_str_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) { switch (op) { case MP_BINARY_OP_ADD: case MP_BINARY_OP_INPLACE_ADD: { - if (lhs_len == 0) { + if (lhs_len == 0 && mp_obj_get_type(rhs_in) == lhs_type) { return rhs_in; } if (rhs_len == 0) { |