From a858611bb9ac392b0a08f616b4c1a4feda7c3af4 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Sun, 4 Jun 2017 22:55:39 +0200
Subject: [PATCH] Don't make errors in version.opengl_vendor() fatal

Fixes #2694
---
 qutebrowser/utils/version.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/qutebrowser/utils/version.py b/qutebrowser/utils/version.py
index 879f29432..e1e416bbc 100644
--- a/qutebrowser/utils/version.py
+++ b/qutebrowser/utils/version.py
@@ -398,10 +398,14 @@ def opengl_vendor():  # pragma: no cover
 
     ctx = QOpenGLContext()
     ok = ctx.create()
-    assert ok
+    if not ok:
+        log.init.debug("opengl_vendor: Creating context failed!")
+        return None
 
     ok = ctx.makeCurrent(surface)
-    assert ok
+    if not ok:
+        log.init.debug("opengl_vendor: Making context current failed!")
+        return None
 
     if ctx.isOpenGLES():
         # Can't use versionFunctions there