convert: indentation change to make the next patch more legible

We put the code to be indented in the next patch in a "if True:" block to make
it easier to review.

hgext/convert/hg.py

@@ -410,7 +410,7 class mercurial_sink(converter_sink):
     def putbookmarks(self, updatedbookmark):
         if not len(updatedbookmark):
             return
-
+        if True:
         self.ui.status(_("updating bookmarks\n"))
         destmarks = self.repo._bookmarks
         for bookmark in updatedbookmark: