Commenting out atexit.register(context.close)

IPython/zmq/kernelmanager.py

@@ -665,7 +665,8 b' class KernelManager(HasTraits):'
 
     def __init__(self, **kwargs):
         super(KernelManager, self).__init__(**kwargs)
-        atexit.register(self.context.close)
+        # Uncomment this to try closing the context.
+        # atexit.register(self.context.close)
 
     #--------------------------------------------------------------------------
     # Channel management methods: