Traceback (most recent call last):
>   File "/usr/local/bin/planemo", line 11, in <module>
>     sys.exit(planemo())
>   File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 664,
> in __call__
>     return self.main(*args, **kwargs)
>   File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 644,
> in main
>     rv = self.invoke(ctx)
>   File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 991,
> in invoke
>     return _process_result(sub_ctx.command.invoke(sub_ctx))
>   File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 837,
> in invoke
>     return ctx.invoke(self.callback, **ctx.params)
>   File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 464,
> in invoke
>     return callback(*args, **kwargs)
>   File "/usr/local/lib/python2.7/dist-packages/click/decorators.py", line
> 64, in new_func
>     return ctx.invoke(f, obj, *args[1:], **kwargs)
>   File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 464,
> in invoke
>     return callback(*args, **kwargs)
>   File
> "/usr/local/lib/python2.7/dist-packages/planemo/commands/cmd_shed_update.py",
> line 52, in cli
>     tsi = shed.tool_shed_client(ctx, **kwds)
>   File "/usr/local/lib/python2.7/dist-packages/planemo/shed/__init__.py",
> line 331, in tool_shed_client
>     key = prop("key")
>   File "/usr/local/lib/python2.7/dist-packages/planemo/shed/__init__.py",
> line 323, in prop
>     return kwds.get("shed_%s" % key, None) or shed_config.get(key, None)
> AttributeError: 'NoneType' object has no attribute 'get'