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-rw-r--r--extmod/modbtree.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/extmod/modbtree.c b/extmod/modbtree.c
index f21e7e4421..ea2ea582c8 100644
--- a/extmod/modbtree.c
+++ b/extmod/modbtree.c
@@ -133,6 +133,7 @@ STATIC mp_obj_t btree_seq(size_t n_args, const mp_obj_t *args) {
}
int res = __bt_seq(self->db, &key, &val, flags);
+ CHECK_ERROR(res);
if (res == RET_SPECIAL) {
return mp_const_none;
}