From: Bob Halley <halley@dnspython.org>
Date: Wed, 17 Jun 2020 14:50:10 +0000 (-0700)
Subject: fix sniffio-less asyncio detection on 3.6.x
X-Git-Tag: v2.0.0rc1~67
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03269e9dc8abddb497c712d6bef8fefd98a7c26e;p=thirdparty%2Fdnspython.git

fix sniffio-less asyncio detection on 3.6.x
---

diff --git a/dns/asyncbackend.py b/dns/asyncbackend.py
index f028417c..9582a6f8 100644
--- a/dns/asyncbackend.py
+++ b/dns/asyncbackend.py
@@ -70,6 +70,7 @@ def sniff():
             # we have to check current_task on 3.6
             if not asyncio.Task.current_task():
                 raise AsyncLibraryNotFoundError('no async library detected')
+            return 'asyncio'
 
 
 def get_default_backend():