[py3] Replaced basestring by six.string_types.

1 files changed, 3 insertions, 2 deletions

diff --git a/django/utils/timezone.py b/django/utils/timezone.py
index d9d9636023..68c214d26f 100644
--- a/django/utils/timezone.py
+++ b/django/utils/timezone.py
@@ -13,6 +13,7 @@ except ImportError:
     pytz = None
 
 from django.conf import settings
+from django.utils import six
 
 __all__ = [
     'utc', 'get_default_timezone', 'get_current_timezone',
@@ -107,7 +108,7 @@ def get_default_timezone():
     """
     global _localtime
     if _localtime is None:
-        if isinstance(settings.TIME_ZONE, basestring) and pytz is not None:
+        if isinstance(settings.TIME_ZONE, six.string_types) and pytz is not None:
             _localtime = pytz.timezone(settings.TIME_ZONE)
         else:
             _localtime = LocalTimezone()
@@ -160,7 +161,7 @@ def activate(timezone):
     """
     if isinstance(timezone, tzinfo):
         _active.value = timezone
-    elif isinstance(timezone, basestring) and pytz is not None:
+    elif isinstance(timezone, six.string_types) and pytz is not None:
         _active.value = pytz.timezone(timezone)
     else:
         raise ValueError("Invalid timezone: %r" % timezone)