Replace six.iteritems() with .items()

Change-Id: I8e89ea35cff8f1f1a5013fa8e30a0d36f5c17c81

ironicclient/common/apiclient/base.py

@@ -305,7 +305,7 @@ class CrudManager(BaseManager):
 
     def _filter_kwargs(self, kwargs):
         """Drop null values and handle ids."""
-        for key, ref in six.iteritems(kwargs.copy()):
+        for key, ref in kwargs.copy().items():
             if ref is None:
                 kwargs.pop(key)
             else:
@@ -463,7 +463,7 @@ class Resource(object):
         return None
 
     def _add_details(self, info):
-        for (k, v) in six.iteritems(info):
+        for (k, v) in info.items():
             try:
                 setattr(self, k, v)
                 self._info[k] = v

ironicclient/common/apiclient/exceptions.py

@@ -410,7 +410,7 @@ class HttpVersionNotSupported(HttpServerError):
 # _code_map contains all the classes that have http_status attribute.
 _code_map = dict(
     (getattr(obj, 'http_status', None), obj)
-    for name, obj in six.iteritems(vars(sys.modules[__name__]))
+    for name, obj in vars(sys.modules[__name__]).items()
     if inspect.isclass(obj) and getattr(obj, 'http_status', False)
 )
 

ironicclient/tests/unit/common/apiclient/test_exceptions.py

@@ -24,7 +24,7 @@ class FakeResponse(object):
     json_data = {}
 
     def __init__(self, **kwargs):
-        for key, value in six.iteritems(kwargs):
+        for key, value in kwargs.items():
             setattr(self, key, value)
 
     def json(self):