[gtk-doc] pylint: a few pylint cleanups

[Stefan Sauer <stefkost src gnome org>]

commit 39ee80237ceb10cc67fc69ad2e24baa630058893
Author: Stefan Sauer <ensonic users sf net>
Date:   Mon Apr 17 11:04:18 2017 +0200

    pylint: a few pylint cleanups

 gtkdoc/fixxref.py |    9 ++++++---
 gtkdoc/mkpdf.py   |    1 -
 gtkdoc/rebase.py  |    2 +-
 3 files changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/gtkdoc/fixxref.py b/gtkdoc/fixxref.py
index cfcde3b..406a71e 100755
--- a/gtkdoc/fixxref.py
+++ b/gtkdoc/fixxref.py
@@ -21,6 +21,9 @@
 
 ''"Fix cross-references in the HTML documentation.''"
 
+# Support both Python 2 and 3
+from __future__ import print_function
+
 import logging
 import os
 import re
@@ -56,7 +59,7 @@ DirCache = {}
 
 
 def Run(options):
-    #logging.basicConfig(level=logging.INFO)
+    # logging.basicConfig(level=logging.INFO)
 
     path_prefix = ''
     m = re.search(r'(.*?)/share/gtk-doc/html', options.html_dir)
@@ -179,14 +182,14 @@ def ReadDevhelp(file, use_absolute_links):
 
 def ReadSections(options):
     for line in open(options.module + '-sections.txt'):
-        m1 = re.search('^<SUBSECTION\s*(.*)>', line)
+        m1 = re.search(r'^<SUBSECTION\s*(.*)>', line)
         if line.startswith('#') or line.strip() == '':
             continue
         elif line.startswith('<SECTION>'):
             subsection = ''
         elif m1:
             subsection = m1.group(1)
-        elif line.startswith('<SUBSECTION>') or line.startswith('<\/SECTION>'):
+        elif line.startswith('<SUBSECTION>') or line.startswith('</SECTION>'):
             continue
         elif re.search(r'^<TITLE>(.*)<\/TITLE>', line):
             continue
diff --git a/gtkdoc/mkpdf.py b/gtkdoc/mkpdf.py
index 28de017..56d0f62 100755
--- a/gtkdoc/mkpdf.py
+++ b/gtkdoc/mkpdf.py
@@ -24,7 +24,6 @@ from __future__ import print_function
 
 import os
 import sys
-import argparse
 import subprocess
 
 from . import config
diff --git a/gtkdoc/rebase.py b/gtkdoc/rebase.py
index 789aa08..799613e 100755
--- a/gtkdoc/rebase.py
+++ b/gtkdoc/rebase.py
@@ -173,7 +173,7 @@ def AddMap(dir, onlinedir, options):
     else:
         log(options, "No On-line location for %s found" % package)
 
-    log(options,  "Local location of $package: " + dir)
+    log(options, "Local location of $package: " + dir)
     LocalMap[package] = dir
     RevMap[dir] = package