From 35869db5d6778eb74d3121b9546c14a473423d30 2011-07-22 19:13:33
From: Thomas Kluyver <takowl@gmail.com>
Date: 2011-07-22 19:13:33
Subject: [PATCH] Comment explaining fix for gh-597.

---

diff --git a/IPython/core/formatters.py b/IPython/core/formatters.py
index 262258b..af4bf4d 100644
--- a/IPython/core/formatters.py
+++ b/IPython/core/formatters.py
@@ -432,6 +432,9 @@ class PlainTextFormatter(BaseFormatter):
         else:
             # This uses use StringIO, as cStringIO doesn't handle unicode.
             stream = StringIO()
+            # self.newline.encode() is a quick fix for issue gh-597. We need to
+            # ensure that stream does not get a mix of unicode and bytestrings,
+            # or it will cause trouble.
             printer = pretty.RepresentationPrinter(stream, self.verbose,
                 self.max_width, self.newline.encode(),
                 singleton_pprinters=self.singleton_printers,