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-rw-r--r--sphinx/util/compat.py5
1 files changed, 2 insertions, 3 deletions
diff --git a/sphinx/util/compat.py b/sphinx/util/compat.py
index 1f3b0f445..e0c86df5e 100644
--- a/sphinx/util/compat.py
+++ b/sphinx/util/compat.py
@@ -15,7 +15,6 @@ import sys
import warnings
from docutils.utils import get_source_line
-from six import string_types
from sphinx import addnodes
from sphinx.deprecation import RemovedInSphinx30Warning, RemovedInSphinx40Warning
@@ -36,8 +35,8 @@ def deprecate_source_parsers(app, config):
'Please use app.add_source_parser() API instead.',
RemovedInSphinx30Warning)
for suffix, parser in config.source_parsers.items():
- if isinstance(parser, string_types):
- parser = import_object(parser, 'source parser') # type: ignore
+ if isinstance(parser, str):
+ parser = import_object(parser, 'source parser')
app.add_source_parser(suffix, parser)