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-rw-r--r--sphinx/transforms/post_transforms/code.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/sphinx/transforms/post_transforms/code.py b/sphinx/transforms/post_transforms/code.py
index a732842c2..610437ac6 100644
--- a/sphinx/transforms/post_transforms/code.py
+++ b/sphinx/transforms/post_transforms/code.py
@@ -13,7 +13,6 @@ from typing import NamedTuple
from docutils import nodes
from pygments.lexers import PythonConsoleLexer, guess_lexer
-from six import text_type
from sphinx import addnodes
from sphinx.ext import doctest
@@ -25,7 +24,7 @@ if False:
from sphinx.application import Sphinx # NOQA
-HighlightSetting = NamedTuple('HighlightSetting', [('language', text_type),
+HighlightSetting = NamedTuple('HighlightSetting', [('language', str),
('lineno_threshold', int)])