Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "C:\Users\rclement\tempenv\lib\site-packages\pandas\core\groupby\groupby.py", line 1654, in sum

npfunc=np.sum,


 "C:\Users\rclement\tempenv\lib\site-packages\pandas\core\groupby\groupby.py", line 1044, in _agg_general

result = self.aggregate(lambda x: npfunc(x, axis=self.axis))


 "C:\Users\rclement\tempenv\lib\site-packages\pandas\core\groupby\generic.py", line 259, in aggregate

return self._python_agg_general(func, *args, **kwargs)


 "C:\Users\rclement\tempenv\lib\site-packages\pandas\core\groupby\groupby.py", line 1173, in _python_agg_general

result, counts = self.grouper.agg_series(obj, f)


 "C:\Users\rclement\tempenv\lib\site-packages\pandas\core\groupby\ops.py", line 706, in agg_series

return self._aggregate_series_fast(obj, func)


 "C:\Users\rclement\tempenv\lib\site-packages\pandas\core\groupby\ops.py", line 732, in _aggregate_series_fast

result, counts = grouper.get_result()


 "pandas\_libs\reduction.pyx", line 260, in pandas._libs.reduction.SeriesGrouper.get_result


 "pandas\_libs\reduction.pyx", line 77, in pandas._libs.reduction._BaseGrouper._apply_to_group


 "pandas\_libs\reduction.pyx", line 289, in pandas._libs.reduction.extract_result
AttributeError: 'list' object has no attribute 'ndim'

Traceback (most recent call last):


 "__main__.py", line 19, in <module>


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\__init__.py", line 474, in main


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\__init__.py", line 464, in _real_main


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\YoutubeDL.py", line 2018, in download


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\YoutubeDL.py", line 796, in extract_info


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\extractor\common.py", line 530, in extract


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\extractor\generic.py", line 2826, in _real_extract


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpyi91grvc\build\youtube_dl\extractor\kaltura.py", line 154, in _extract_url
AttributeError: 'NoneType' object has no attribute 'strip'
