diff --git a/gunicorn/async/base.py b/gunicorn/async/base.py
index edcf9bd7..cc6d6a6d 100644
--- a/gunicorn/async/base.py
+++ b/gunicorn/async/base.py
@@ -60,7 +60,6 @@ class KeepaliveWorker(Worker):
             self.init_sock(client)
             while True:
                 req = KeepaliveRequest(client, addr, self.address, self.conf)
-                
                 try:
                     environ = req.read()
                     if not environ or not req.parser.headers:
diff --git a/gunicorn/async/gevent_server.py b/gunicorn/async/gevent_server.py
index 6a8f4bfe..53a71dec 100644
--- a/gunicorn/async/gevent_server.py
+++ b/gunicorn/async/gevent_server.py
@@ -37,7 +37,7 @@ class GEventArbiter(arbiter.Arbiter):
     @classmethod
     def setup(cls):
         from gevent import monkey
-        monkey.patch_all()
+        monkey.patch_all(dns=False)
     
     def init_worker(self, worker_age, pid, listener, app, timeout, conf):
         return GEventWorker(worker_age, pid, listener, app, timeout, conf)
diff --git a/gunicorn/http/response.py b/gunicorn/http/response.py
index 7552d289..1e123cb9 100644
--- a/gunicorn/http/response.py
+++ b/gunicorn/http/response.py
@@ -56,4 +56,4 @@ class Response(object):
         if not self.headers_sent:
             self.send_headers()
         if self.chunked:
-            write_chunk(self.socket, "")
\ No newline at end of file
+            write_chunk(self.socket, "")