py: Use mp_arg_check_num in some _make_new functions.

Reduces stmhal code size by about 250 bytes.

1 files changed, 1 insertions, 5 deletions

diff --git a/py/objfilter.c b/py/objfilter.c
index c9ded8d7f..a97c9f554 100644
--- a/py/objfilter.c
+++ b/py/objfilter.c
@@ -24,7 +24,6 @@
  * THE SOFTWARE.
  */
 
-#include "py/nlr.h"
 #include "py/runtime.h"
 
 typedef struct _mp_obj_filter_t {
@@ -34,10 +33,7 @@ typedef struct _mp_obj_filter_t {
 } mp_obj_filter_t;
 
 STATIC mp_obj_t filter_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
-    if (n_args != 2 || n_kw != 0) {
-        nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "filter expected 2 arguments"));
-    }
-    assert(n_args == 2);
+    mp_arg_check_num(n_args, n_kw, 2, 2, false);
     mp_obj_filter_t *o = m_new_obj(mp_obj_filter_t);
     o->base.type = type_in;
     o->fun = args[0];