Easy fixes for Python3

src/usr/bin/diffuse

@@ -71,7 +71,7 @@ WEBSITE = 'http://diffuse.sourceforge.net/'
 # print a UTF-8 string using the host's native encoding
 def printMessage(s):
     try:
-        print codecs.encode(unicode(s, 'utf_8'), sys.getfilesystemencoding())
+        print(codecs.encode(unicode(s, 'utf_8'), sys.getfilesystemencoding()))
     except UnicodeEncodeError:
         pass
 
@@ -2387,7 +2387,7 @@ class _Svn:
         result = []
         try:
             prev = self._getPreviousRevision(rev)
-        except ValueError, e:
+        except ValueError as e:
             logError(_('Error parsing revision %s.') % (rev, ))
             return result