From dd0a1b4d99fbd20a7503b1592fe84aca2bb1ceac 2010-09-03 08:28:30
From: Fernando Perez <Fernando.Perez@berkeley.edu>
Date: 2010-09-03 08:28:30
Subject: [PATCH] Fix bug with unicode formatting of definition lines.

---

diff --git a/IPython/core/oinspect.py b/IPython/core/oinspect.py
index 463d0f4..7e7d55c 100644
--- a/IPython/core/oinspect.py
+++ b/IPython/core/oinspect.py
@@ -207,7 +207,9 @@ class Inspector:
         exception is suppressed."""
         
         try:
-            return oname + inspect.formatargspec(*getargspec(obj))
+            # We need a plain string here, NOT unicode!
+            hdef = oname + inspect.formatargspec(*getargspec(obj))
+            return hdef.encode('ascii')
         except:
             return None