Traceback (most recent call last):


 "/Users/yonatanalexander/opt/anaconda3/envs/xds/lib/python3.7/site-packages/vaex/dataframe.py", line 3523, in table_part

values[name] = df.evaluate(name)


 "/Users/yonatanalexander/opt/anaconda3/envs/xds/lib/python3.7/site-packages/vaex/dataframe.py", line 5165, in evaluate

self.map_reduce(assign, lambda *_: None, expressions, ignore_filter=False, selection=selection, pre_filter=use_filter, info=True, to_numpy=False)


 "/Users/yonatanalexander/opt/anaconda3/envs/xds/lib/python3.7/site-packages/vaex/dataframe.py", line 306, in map_reduce

return self._delay(delay, task)


 "/Users/yonatanalexander/opt/anaconda3/envs/xds/lib/python3.7/site-packages/vaex/dataframe.py", line 1428, in _delay

self.execute()


 "/Users/yonatanalexander/opt/anaconda3/envs/xds/lib/python3.7/site-packages/vaex/dataframe.py", line 293, in execute

self.executor.execute()


 "/Users/yonatanalexander/opt/anaconda3/envs/xds/lib/python3.7/site-packages/vaex/execution.py", line 127, in execute

raise RuntimeError("nested execute call")
RuntimeError: nested execute call


Traceback (most recent call last):


 "/usr/local/lib/python3.4/site-packages/jupyterhub/app.py", line 1457, in start

yield self.start_proxy()


 "/usr/local/lib/python3.4/site-packages/jupyterhub/app.py", line 1197, in start_proxy

_check()


 "/usr/local/lib/python3.4/site-packages/jupyterhub/app.py", line 1193, in _check

raise e

RuntimeError: Proxy failed to start with exit code 8
