Refs #23919 -- Removed six.<various>_types usage

Thanks Tim Graham and Simon Charette for the reviews.

1 files changed, 2 insertions, 2 deletions

diff --git a/django/test/utils.py b/django/test/utils.py
index 5ed32dbab5..7395396fbb 100644
--- a/django/test/utils.py
+++ b/django/test/utils.py
@@ -61,7 +61,7 @@ class ContextList(list):
     in a list of context objects.
     """
     def __getitem__(self, key):
-        if isinstance(key, six.string_types):
+        if isinstance(key, str):
             for subcontext in self:
                 if key in subcontext:
                     return subcontext[key]
@@ -478,7 +478,7 @@ class modify_settings(override_settings):
                 value = list(getattr(settings, name, []))
             for action, items in operations.items():
                 # items my be a single value or an iterable.
-                if isinstance(items, six.string_types):
+                if isinstance(items, str):
                     items = [items]
                 if action == 'append':
                     value = value + [item for item in items if item not in value]