Merge pull request #5483 from jdufresne/bytesio

Replace all six.BytesIO with io.BytesIO

5 files changed, 8 insertions, 8 deletions

diff --git a/sphinx/environment/__init__.py b/sphinx/environment/__init__.py
index 4e76de18e..000c8a417 100644
--- a/sphinx/environment/__init__.py
+++ b/sphinx/environment/__init__.py
@@ -15,10 +15,9 @@ import sys
 import warnings
 from collections import defaultdict
 from copy import copy
+from io import BytesIO
 from os import path
 
-from six import BytesIO
-
 from sphinx import addnodes
 from sphinx.deprecation import RemovedInSphinx30Warning, RemovedInSphinx40Warning
 from sphinx.environment.adapters.toctree import TocTree
@@ -747,7 +746,7 @@ class BuildEnvironment:
 
     @classmethod
     def loads(cls, string, app=None):
-        # type: (unicode, Sphinx) -> BuildEnvironment
+        # type: (bytes, Sphinx) -> BuildEnvironment
         warnings.warn('BuildEnvironment.loads() is deprecated. '
                       'Please use pickle.loads() instead.',
                       RemovedInSphinx30Warning)
diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index d881c247d..03e8ffb61 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -11,9 +11,10 @@
 from __future__ import print_function
 
 import re
+from io import BytesIO
 from zipfile import ZipFile
 
-from six import BytesIO, StringIO
+from six import StringIO
 
 from sphinx.errors import PycodeError
 from sphinx.pycode.parser import Parser
diff --git a/sphinx/util/images.py b/sphinx/util/images.py
index e4f31198d..85fbf17f1 100644
--- a/sphinx/util/images.py
+++ b/sphinx/util/images.py
@@ -14,11 +14,12 @@ import base64
 import imghdr
 import warnings
 from collections import OrderedDict
+from io import BytesIO
 from os import path
 from typing import NamedTuple
 
 import imagesize
-from six import BytesIO, text_type
+from six import text_type
 
 from sphinx.deprecation import RemovedInSphinx30Warning
 
diff --git a/tests/test_search.py b/tests/test_search.py
index 96a74896f..7b5f73445 100644
--- a/tests/test_search.py
+++ b/tests/test_search.py
@@ -9,12 +9,12 @@
     :license: BSD, see LICENSE for details.
 """
 
+from io import BytesIO
 from collections import namedtuple
 
 import pytest
 from docutils import frontend, utils
 from docutils.parsers import rst
-from six import BytesIO
 
 from sphinx.search import IndexBuilder
 from sphinx.util import jsdump
diff --git a/tests/test_util_inventory.py b/tests/test_util_inventory.py
index af3a819cd..08a45d247 100644
--- a/tests/test_util_inventory.py
+++ b/tests/test_util_inventory.py
@@ -11,8 +11,7 @@
 
 import posixpath
 import zlib
-
-from six import BytesIO
+from io import BytesIO
 
 from sphinx.ext.intersphinx import InventoryFile