fixup kernel Any trait

IPython/kernel/zmq/zmqshell.py

@@ -44,7 +44,7 b' from IPython.utils import openpy'
 from IPython.utils.jsonutil import json_clean, encode_images
 from IPython.utils.process import arg_split
 from IPython.utils import py3compat
-from IPython.utils.traitlets import Instance, Type, Dict, CBool, CBytes
+from IPython.utils.traitlets import Instance, Type, Dict, CBool, CBytes, Any
 from IPython.utils.warn import error
 from IPython.kernel.zmq.displayhook import ZMQShellDisplayHook
 from IPython.kernel.zmq.datapub import ZMQDataPublisher