ERROR Traceback (most recent call last):


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/visualization/_param_importances.py", line 126, in plot_param_importances

importances = optuna.importance.get_param_importances(


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/importance/__init__.py", line 91, in get_param_importances

return evaluator.evaluate(study, params=params, target=target)


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/importance/_fanova/_evaluator.py", line 121, in evaluate

evaluator.fit(


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/importance/_fanova/_fanova.py", line 74, in fit

self._trees = [_FanovaTree(e.tree_, search_spaces) for e in self._forest.estimators_]


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/importance/_fanova/_fanova.py", line 74, in <listcomp>

self._trees = [_FanovaTree(e.tree_, search_spaces) for e in self._forest.estimators_]


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/importance/_fanova/_tree.py", line 23, in __init__

statistics = self._precompute_statistics()


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/optuna/importance/_fanova/_tree.py", line 185, in _precompute_statistics

value = numpy.average(child_values, weights=child_weights)


 "<__array_function__ internals>", line 5, in average


 "/opt/mt/anaconda3/envs/develop/lib/python3.8/site-packages/numpy/lib/function_base.py", line 409, in average

raise ZeroDivisionError(
ZeroDivisionError: Weights sum to zero, can't be normalized

Traceback (most recent call last):


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpwnp2jh33\build\youtube_dl\YoutubeDL.py", line 796, in extract_info


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpwnp2jh33\build\youtube_dl\extractor\common.py", line 530, in extract


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpwnp2jh33\build\youtube_dl\extractor\adobeconnect.py", line 18, in _real_extract


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpwnp2jh33\build\youtube_dl\extractor\common.py", line 1005, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract swf url; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type
youtube-dl -U
to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.