diff --git a/examples/proxapp b/examples/proxapp
index eb5bdbb70..3a94cd558 100755
--- a/examples/proxapp
+++ b/examples/proxapp
@@ -1,8 +1,8 @@
 #!/usr/bin/env python
 """
-    This example shows how to graft a WSGI app onto mitmproxy. In this
-    instance, we're using the Bottle framework (http://bottlepy.org/) to expose
-    a single simplest-possible page.
+This example shows how to graft a WSGI app onto mitmproxy. In this
+instance, we're using the Bottle framework (http://bottlepy.org/) to expose
+a single simplest-possible page.
 """
 import bottle
 import os
diff --git a/examples/stickycookies b/examples/stickycookies
index b07820fca..17cd6019b 100755
--- a/examples/stickycookies
+++ b/examples/stickycookies
@@ -1,9 +1,9 @@
 #!/usr/bin/env python
 """
-    This example builds on mitmproxy's base proxying infrastructure to
-    implement functionality similar to the "sticky cookies" option. This is at
-    a lower level than the Flow mechanism, so we're dealing directly with
-    request and response objects.
+This example builds on mitmproxy's base proxying infrastructure to
+implement functionality similar to the "sticky cookies" option. This is at
+a lower level than the Flow mechanism, so we're dealing directly with
+request and response objects.
 """
 from libmproxy import controller, proxy
 import os
diff --git a/libmproxy/flow.py b/libmproxy/flow.py
index c20fa558d..1d15029b3 100644
--- a/libmproxy/flow.py
+++ b/libmproxy/flow.py
@@ -933,6 +933,7 @@ class ClientPlaybackState:
         """
         if self.flows and not self.current:
             n = self.flows.pop(0)
+            n.request.reply = controller.DummyReply()
             n.request.client_conn = None
             self.current = master.handle_request(n.request)
             if not testing and not self.current.response:
diff --git a/setup.py b/setup.py
index d8eb7cb44..c0b957289 100644
--- a/setup.py
+++ b/setup.py
@@ -92,5 +92,12 @@ setup(
             "Topic :: Internet :: Proxy Servers",
             "Topic :: Software Development :: Testing"
         ],
-        install_requires=["netlib>=%s"%version.VERSION, "urwid>=1.1", "pyasn1>0.1.2", "pyopenssl>=0.12", "PIL", "lxml"],
+        install_requires=[
+            "netlib>=%s"%version.VERSION,
+            "urwid>=1.1",
+            "pyasn1>0.1.2",
+            "pyopenssl>=0.12",
+            "PIL",
+            "lxml"
+        ],
 )