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-rw-r--r--sphinx/highlighting.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/sphinx/highlighting.py b/sphinx/highlighting.py
index 12fec930e..5fac63963 100644
--- a/sphinx/highlighting.py
+++ b/sphinx/highlighting.py
@@ -20,7 +20,6 @@ from pygments.lexers import PythonLexer, Python3Lexer, PythonConsoleLexer, \
CLexer, TextLexer, RstLexer
from pygments.styles import get_style_by_name
from pygments.util import ClassNotFound
-from six import text_type
from sphinx.deprecation import RemovedInSphinx30Warning
from sphinx.ext import doctest
@@ -113,7 +112,7 @@ class PygmentsBridge:
def highlight_block(self, source, lang, opts=None, location=None, force=False, **kwargs):
# type: (str, str, Any, Any, bool, Any) -> str
- if not isinstance(source, text_type):
+ if not isinstance(source, str):
source = source.decode()
# find out which lexer to use