AttributeError: 'NoneType' object has no attribute 'aggregated_to_table'

[LongBeach805]

Installing workers
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/dask_ec2/cli/main.py", line 23, in start
cli(obj={})
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 722, in call
return self.main(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 697, in main
rv = self.invoke(ctx)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 535, in invoke
return callback(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
return f(get_current_context(), *args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/dask_ec2/cli/main.py", line 197, in up
dask=dask, notebook=notebook, nprocs=nprocs, source=source)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 535, in invoke
return callback(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
return f(get_current_context(), *args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/dask_ec2/cli/main.py", line 343, in provision
ctx.invoke(dask_install, filepath=filepath, nprocs=nprocs, source=source)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/core.py", line 535, in invoke
return callback(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
return f(get_current_context(), *args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/dask_ec2/cli/daskd.py", line 81, in dask_install
response = print_state(output)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/dask_ec2/cli/main.py", line 371, in print_state
data.extend(response.aggregated_to_table(agg=len))
AttributeError: 'NoneType' object has no attribute 'aggregated_to_table'