retry_servfail -> self.retry_servfail

diff --git a/dns/resolver.py b/dns/resolver.py
index 54d053dcba74693eae0b2fc3b8fef671fb980f10..934d39bd30c2e6bf979019cabf13be3092db6406 100644 (file)
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -878,7 +878,7 @@ class Resolver(object):
                     # rcode in it.  Remove the server from the mix if
                     # the rcode isn't SERVFAIL.
                     #
-                    if rcode != dns.rcode.SERVFAIL or not retry_servfail:
+                    if rcode != dns.rcode.SERVFAIL or not self.retry_servfail:
                         nameservers.remove(nameserver)
                     response = None
                 if not response is None: