From e1782042f5f8281c940d697d8aa08e23a35916ae Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Tue, 14 Mar 2017 11:45:09 +1100
Subject: [PATCH] teensy/lexerfrozen: Make mp_lexer_new_from_file raise an
 exception.

---
 teensy/lexerfrozen.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/teensy/lexerfrozen.c b/teensy/lexerfrozen.c
index 03ef800876..21e978dc79 100644
--- a/teensy/lexerfrozen.c
+++ b/teensy/lexerfrozen.c
@@ -1,11 +1,13 @@
 #include <stdio.h>
 
 #include "py/lexer.h"
+#include "py/runtime.h"
+#include "py/mperrno.h"
 
 mp_import_stat_t mp_import_stat(const char *path) {
     return MP_IMPORT_STAT_NO_EXIST;
 }
 
 mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
-    return NULL;
+    mp_raise_OSError(MP_ENOENT);
 }