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-rw-r--r--extmod/modwebsocket.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/extmod/modwebsocket.c b/extmod/modwebsocket.c
index 34ed46a6ef..00ec5ee980 100644
--- a/extmod/modwebsocket.c
+++ b/extmod/modwebsocket.c
@@ -31,6 +31,7 @@
#include "py/nlr.h"
#include "py/obj.h"
+#include "py/runtime.h"
#include "py/stream.h"
#if MICROPY_PY_WEBSOCKET
@@ -50,7 +51,7 @@ typedef struct _mp_obj_websocket_t {
} mp_obj_websocket_t;
STATIC mp_obj_t websocket_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
- assert(n_args == 1);
+ mp_arg_check_num(n_args, n_kw, 1, 1, false);
mp_obj_websocket_t *o = m_new_obj(mp_obj_websocket_t);
o->base.type = type;
o->sock = args[0];