Fixed the use of the -ise suffix, where -ize is prefered

django/db/models/query.py

@@ -243,7 +243,7 @@ class QuerySet(object):
 
         skip = None
         if load_fields and not fill_cache:
-            # Some fields have been deferred, so we have to initialise
+            # Some fields have been deferred, so we have to initialize
             # via keyword arguments.
             skip = set()
             init_list = []

django/http/response.py

@@ -188,7 +188,7 @@ class HttpResponseBase(six.Iterator):
 
     def __getstate__(self):
         # SimpleCookie is not pickeable with pickle.HIGHEST_PROTOCOL, so we
-        # serialise to a string instead
+        # serialize to a string instead
         state = self.__dict__.copy()
         state['cookies'] = str(state['cookies'])
         return state

django/utils/functional.py

@@ -260,7 +260,7 @@ class LazyObject(object):
 
     def _setup(self):
         """
-        Must be implemented by subclasses to initialise the wrapped object.
+        Must be implemented by subclasses to initialize the wrapped object.
         """
         raise NotImplementedError('subclasses of LazyObject must provide a _setup() method')