Fix test failure when has_working_ipv6 generates an exception (#1022)

bdraco · web-flow · commit cd8984d3e95b · 2021-10-30T10:16:36.000-05:00
diff --git a/tests/__init__.py b/tests/__init__.py
@@ -59,6 +59,7 @@ def has_working_ipv6():
     if not socket.has_ipv6:
         return False
 
+    sock = None
     try:
         sock = socket.socket(socket.AF_INET6)
         sock.bind(('::1', 0))
