diff --git a/swiftbench/bench.py b/swiftbench/bench.py
index 65f3f87..e2bf250 100644
--- a/swiftbench/bench.py
+++ b/swiftbench/bench.py
@@ -323,8 +323,8 @@ class DistributedBenchController(object):
         eventlet.patcher.monkey_patch(socket=True)
         pool = eventlet.GreenPool(size=len(self.clients))
         pile = eventlet.GreenPile(pool)
-        for client in self.clients:
-            pile.spawn(self.do_run, client)
+        for c in self.clients:
+            pile.spawn(self.do_run, c)
         results = {
             'PUTS': dict(count=0, failures=0, rate=0.0),
             'GETS': dict(count=0, failures=0, rate=0.0),
diff --git a/test-requirements.txt b/test-requirements.txt
index 7a1174e..8f0a24d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-hacking>=0.8.0,<0.9
+hacking>=0.10.0,<0.11
 
 coverage>=3.6
 discover