handle configparser rename in python3

checkout.py

Index: checkout.py
diff --git a/checkout.py b/checkout.py
index bed4737507250693f074cda16583649574eb5119..8f7c4be2baa44bdaf5c739c891b308ad7ad871ec 100644
--- a/checkout.py
+++ b/checkout.py
@@ -7,7 +7,6 @@
 Includes support for svn, git-svn and git.
 """
 
-import ConfigParser
 import fnmatch
 import logging
 import os
@@ -17,6 +16,12 @@ import subprocess
 import sys
 import tempfile
 
+# The configparser module was renamed in Python 3.

[nodir, 2016/06/16 18:55:58]

this comment should be inside except clause

[vapier, 2016/06/16 19:13:47]

"configparser" is the py3 name which is in the try block.

that said, i was copying existing style used in the code base.  check out the
upload.py diff and the "# The md5 module was deprecated in Python 2.5." comment.

+try:
+  import configparser
+except ImportError:
+  import ConfigParser as configparser
+
 import patch
 import scm
 import subprocess2
@@ -258,7 +263,7 @@ class SvnConfig(object):
         self.svn_config_dir = os.path.expanduser(
             os.path.join('~', '.subversion'))
     svn_config_file = os.path.join(self.svn_config_dir, 'config')
-    parser = ConfigParser.SafeConfigParser()
+    parser = configparser.SafeConfigParser()
     if os.path.isfile(svn_config_file):
       parser.read(svn_config_file)
     else: