From f857a0a220be407d6c47df6fbf923853895c6556 2014-03-01 06:40:38
From: MinRK <benjaminrk@gmail.com>
Date: 2014-03-01 06:40:38
Subject: [PATCH] clear _reply_content cache before using it

Any exceptions raised in startup code could be interpreted
as the first actual execution failing.
---

diff --git a/IPython/kernel/zmq/ipkernel.py b/IPython/kernel/zmq/ipkernel.py
index 8bfbb05..4fb257c 100755
--- a/IPython/kernel/zmq/ipkernel.py
+++ b/IPython/kernel/zmq/ipkernel.py
@@ -383,8 +383,9 @@ class Kernel(Configurable):
             self._publish_pyin(code, parent, shell.execution_count)
 
         reply_content = {}
+        # FIXME: the shell calls the exception handler itself.
+        shell._reply_content = None
         try:
-            # FIXME: the shell calls the exception handler itself.
             shell.run_cell(code, store_history=store_history, silent=silent)
         except:
             status = u'error'