Move indirect doctest tag to a separate line

Author: antonio-rojas

src/sage/repl/ipython_extension.py

@@ -661,6 +661,7 @@ def init_line_transforms(self):
 
         Check that :issue:`31951` is fixed::
 
+             sage: # indirect doctest
              sage: from IPython import get_ipython
              sage: ip = get_ipython()
              sage: ip.input_transformer_manager.check_complete('''