fix

CHANGELOG.md

@@ -5,6 +5,7 @@ v2.1.2
 ======
 
 * extra_properties passed to Cluster might now be a dict
+* basically all arguments can be passed as dicts
 
 v2.1.1
 ======

coolamqp/clustering/cluster.py

@@ -79,7 +79,7 @@ class Cluster(object):
 
         if isinstance(extra_properties, dict):
             extra_props = []
-            for key, value in extra_props.items():
+            for key, value in extra_properties.items():
                 extra_props.append((tobytes(key), argumentify(value)))
             extra_properties = extra_props