Traceback (most recent call last):


 "/home/plb1_rice_edu/.conda/envs/pyannote36/bin/pyannote-change-detection", line 8, in <module>

sys.exit(main())


 "/home/plb1_rice_edu/.conda/envs/pyannote36/lib/python3.6/site-packages/pyannote/audio/applications/change_detection.py", line 329, in main

start=start, end=end, every=every, in_order=in_order)


 "/home/plb1_rice_edu/.conda/envs/pyannote36/lib/python3.6/site-packages/pyannote/audio/applications/base.py", line 347, in validate

validation_data=validation_data)


 "/home/plb1_rice_edu/.conda/envs/pyannote36/lib/python3.6/site-packages/pyannote/audio/applications/change_detection.py", line 223, in validate_epoch

_ = self.pool_.map(validate, validation_data)


 "/home/plb1_rice_edu/.conda/envs/pyannote36/lib/python3.6/multiprocessing/pool.py", line 266, in map

return self._map_async(func, iterable, mapstar, chunksize).get()


 "/home/plb1_rice_edu/.conda/envs/pyannote36/lib/python3.6/multiprocessing/pool.py", line 644, in get

raise self._value
ValueError: zero-size array to reduction operation maximum which has no identity

Traceback (most recent call last):


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/superset/views/base.py", line 114, in wraps

return f(self, *args, **kwargs)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/superset/views/core.py", line 1229, in explore_json

samples=samples,


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/superset/views/core.py", line 1160, in generate_json

payload = viz_obj.get_payload()


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/superset/viz.py", line 375, in get_payload

payload['data'] = self.get_data(df)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/superset/viz.py", line 967, in get_data

df['x'] = df[[utils.get_metric_name(self.x_metric)]]


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/frame.py", line 3119, in __setitem__

self._set_item(key, value)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/frame.py", line 3195, in _set_item

NDFrame._set_item(self, key, value)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/generic.py", line 2600, in _set_item

self._data.set(key, value)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/internals.py", line 4246, in set

self.insert(len(self.items), item, value)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/internals.py", line 4347, in insert

placement=slice(loc, loc + 1))


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/internals.py", line 3205, in make_block

return klass(values, ndim=ndim, placement=placement)


 "/srv/deployment/analytics/superset/venv/lib/python3.7/site-packages/pandas/core/internals.py", line 125, in __init__

'{mgr}'.format(val=len(self.values), mgr=len(self.mgr_locs)))
ValueError: Wrong number of items passed 2, placement implies 1
