From 6272e4db9d97cc6bdba4dcb3e3d68926bb27ac17 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 2 Apr 2019 10:37:41 +0530
Subject: [PATCH] ...

---
 src/tinycss/tokenizer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tinycss/tokenizer.c b/src/tinycss/tokenizer.c
index bd7eb622bd..a742fd621b 100644
--- a/src/tinycss/tokenizer.c
+++ b/src/tinycss/tokenizer.c
@@ -208,6 +208,7 @@ static PyObject *unicode_to_number(PyObject *src) {
     const char *utf8_data;
 #if PY_MAJOR_VERSION >= 3
     utf8_data = PyUnicode_AsUTF8(src);
+    if (!utf8_data) return NULL;
 #else
     PyObject *utf_8_temp = PyUnicode_AsUTF8String(src);
     if (utf_8_temp == NULL) return NULL;