diff --git a/experiments/streaming_client.py b/experiments/streaming_client.py
index e7593f9..3d93092 100644
--- a/experiments/streaming_client.py
+++ b/experiments/streaming_client.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 import time
 
 import grpc
@@ -6,14 +8,10 @@
 from twisted.internet import threads
 from twisted.internet.defer import Deferred, inlineCallbacks, DeferredQueue
 
+from common.utils.asleep import asleep
 from streaming_pb2 import ExperimentalServiceStub, Echo
 
 
-def asleep(t):
-    d = Deferred()
-    reactor.callLater(t, d.callback, None)
-    return d
-
 t0 = time.time()