1 files changed, 1 insertions, 0 deletions
diff --git a/py/objnone.c b/py/objnone.c
index d47452bb4d..69eab03fe2 100644
--- a/py/objnone.c
+++ b/py/objnone.c
@@ -47,6 +47,7 @@ STATIC mp_obj_t none_unary_op(mp_uint_t op, mp_obj_t o_in) {
     (void)o_in;
     switch (op) {
         case MP_UNARY_OP_BOOL: return mp_const_false;
+        case MP_UNARY_OP_HASH: return MP_OBJ_NEW_SMALL_INT((mp_uint_t)o_in);
         default: return MP_OBJ_NULL; // op not supported
     }
 }