pylint: upgrade to 1.3.1

third_party/logilab/common/daemon.py

Index: third_party/logilab/common/daemon.py
===================================================================
--- third_party/logilab/common/daemon.py	(revision 292986)
+++ third_party/logilab/common/daemon.py	(working copy)
@@ -26,6 +26,8 @@
 import time
 import warnings
 
+from six.moves import range
+
 def setugid(user):
     """Change process user and group ID
 
@@ -46,7 +48,7 @@
             raise OSError(err, os.strerror(err), 'initgroups')
     os.setgid(passwd.pw_gid)
     os.setuid(passwd.pw_uid)
-    os.putenv('HOME', passwd.pw_dir)
+    os.environ['HOME'] = passwd.pw_dir
 
 
 def daemonize(pidfile=None, uid=None, umask=077):
@@ -77,7 +79,7 @@
     for i in range(3):
         try:
             os.dup2(null, i)
-        except OSError, e:
+        except OSError as e:
             if e.errno != errno.EBADF:
                 raise
     os.close(null)