[py3] Replaced basestring by six.string_types.

tests/regressiontests/forms/tests/fields.py

@@ -35,10 +35,11 @@ from decimal import Decimal
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.forms import *
 from django.test import SimpleTestCase
+from django.utils import six
 
 
 def fix_os_paths(x):
-    if isinstance(x, basestring):
+    if isinstance(x, six.string_types):
         return x.replace('\\', '/')
     elif isinstance(x, tuple):
         return tuple(fix_os_paths(list(x)))

tests/regressiontests/i18n/commands/tests.py

@@ -2,13 +2,15 @@ import os
 import re
 from subprocess import Popen, PIPE
 
+from django.utils import six
+
 can_run_extraction_tests = False
 can_run_compilation_tests = False
 
 def find_command(cmd, path=None, pathext=None):
     if path is None:
         path = os.environ.get('PATH', []).split(os.pathsep)
-    if isinstance(path, basestring):
+    if isinstance(path, six.string_types):
         path = [path]
     # check if there are funny path extensions for executables, e.g. Windows
     if pathext is None:

tests/regressiontests/staticfiles_tests/tests.py

@@ -20,6 +20,7 @@ from django.test.utils import override_settings
 from django.utils.encoding import smart_unicode
 from django.utils.functional import empty
 from django.utils._os import rmtree_errorhandler
+from django.utils import six
 
 from django.contrib.staticfiles import finders, storage
 
@@ -83,7 +84,7 @@ class BaseStaticFilesTestCase(object):
         self.assertRaises(IOError, self._get_file, filepath)
 
     def render_template(self, template, **kwargs):
-        if isinstance(template, basestring):
+        if isinstance(template, six.string_types):
             template = loader.get_template_from_string(template)
         return template.render(Context(kwargs)).strip()