Docs: drop Python 2 support

The kernel build system as a whole is dropping support for Python 2, so we
should do the same.  The effects are rather small, especially considering
that much of the deleted code was not doing anything under any version of
Python anyway.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 1 insertions, 13 deletions

diff --git a/Documentation/sphinx/kfigure.py b/Documentation/sphinx/kfigure.py
index 788704886eec..3c78828330be 100644
--- a/Documentation/sphinx/kfigure.py
+++ b/Documentation/sphinx/kfigure.py
@@ -49,26 +49,14 @@ import os
 from os import path
 import subprocess
 from hashlib import sha1
-import sys
-
 from docutils import nodes
 from docutils.statemachine import ViewList
 from docutils.parsers.rst import directives
 from docutils.parsers.rst.directives import images
 import sphinx
-
 from sphinx.util.nodes import clean_astext
-from six import iteritems
-
 import kernellog
 
-PY3 = sys.version_info[0] == 3
-
-if PY3:
-    _unicode = str
-else:
-    _unicode = unicode
-
 # Get Sphinx version
 major, minor, patch = sphinx.version_info[:3]
 if major == 1 and minor > 3:
@@ -540,7 +528,7 @@ def add_kernel_figure_to_std_domain(app, doctree):
     docname = app.env.docname
     labels = std.data["labels"]
 
-    for name, explicit in iteritems(doctree.nametypes):
+    for name, explicit in doctree.nametypes.items():
         if not explicit:
             continue
         labelid = doctree.nameids[name]