From 753ddcfbf7c889aba4a26cc3701f274563d24e75 2019-10-05 18:35:38
From: Joris Van den Bossche <jorisvandenbossche@gmail.com>
Date: 2019-10-05 18:35:38
Subject: [PATCH] IPython directive: correctly clear cout

---

diff --git a/IPython/sphinxext/ipython_directive.py b/IPython/sphinxext/ipython_directive.py
index 60c1b51..0481624 100644
--- a/IPython/sphinxext/ipython_directive.py
+++ b/IPython/sphinxext/ipython_directive.py
@@ -585,7 +585,7 @@ class EmbeddedSphinxShell(object):
                 if self.warning_is_error:
                     raise RuntimeError('Non Expected warning in `{}` line {}'.format(filename, lineno))
 
-        self.cout.truncate(0)
+        self.clear_cout()
         return (ret, input_lines, processed_output,
                 is_doctest, decorator, image_file, image_directive)