From ace1c373b028b2fc12fe9dd0798db20834932ce0 2008-09-08 22:19:36
From: gvaroquaux <gvaroquaux@gvaroquaux-desktop>
Date: 2008-09-08 22:19:36
Subject: [PATCH] Catter for empty docstrings (bug introduced 2 checkins ago).

---

diff --git a/IPython/frontend/wx/wx_frontend.py b/IPython/frontend/wx/wx_frontend.py
index d353270..2f0b384 100644
--- a/IPython/frontend/wx/wx_frontend.py
+++ b/IPython/frontend/wx/wx_frontend.py
@@ -233,6 +233,8 @@ class WxController(ConsoleWidget, PrefilterFrontEnd):
             for name in symbol_string.split('.')[1:] + ['__doc__']:
                 symbol = getattr(symbol, name)
             self.AutoCompCancel()
+            # Check that the symbol can indeed be converted to a string:
+            symbol += ''
             wx.CallAfter(self.CallTipShow, self.GetCurrentPos(), symbol)
         except:
             # The retrieve symbol couldn't be converted to a string