diff --git a/blazar/api/v1/app.py b/blazar/api/v1/app.py
index a02180f2..929b5336 100644
--- a/blazar/api/v1/app.py
+++ b/blazar/api/v1/app.py
@@ -78,7 +78,7 @@ def make_app():
             and 'physical.host.plugin' in cfg.CONF.manager.plugins):
         app.register_blueprint(host_api_v1_0.rest, url_prefix='/v1/os-hosts')
 
-    for code in werkzeug_exceptions.default_exceptions.iterkeys():
+    for code in werkzeug_exceptions.default_exceptions:
         app.error_handler_spec[None][code] = make_json_error
 
     if cfg.CONF.debug and not cfg.CONF.log_exchange:
diff --git a/blazar/db/sqlalchemy/api.py b/blazar/db/sqlalchemy/api.py
index 28aa7cc9..efb9cfe1 100644
--- a/blazar/db/sqlalchemy/api.py
+++ b/blazar/db/sqlalchemy/api.py
@@ -93,7 +93,7 @@ class Constraint(object):
         self.conditions = conditions
 
     def apply(self, model, query):
-        for key, condition in self.conditions.iteritems():
+        for key, condition in self.conditions.items():
             for clause in condition.clauses(getattr(model, key)):
                 query = query.filter(clause)
         return query
diff --git a/blazar/exceptions.py b/blazar/exceptions.py
index ac89594c..c2a05521 100644
--- a/blazar/exceptions.py
+++ b/blazar/exceptions.py
@@ -44,7 +44,7 @@ class BlazarException(Exception):
                 # kwargs doesn't match a variable in the message
                 # log the issue and the kwargs
                 LOG.exception('Exception in string format operation')
-                for name, value in kwargs.iteritems():
+                for name, value in kwargs.items():
                     LOG.error("%(name)s: %(value)s",
                               {'name': name, 'value': value})