Traceback (most recent call last):


 "/usr/lib/python3.9/site-packages/youtube_dl/YoutubeDL.py", line 806, in wrapper

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


 "/usr/lib/python3.9/site-packages/youtube_dl/YoutubeDL.py", line 827, in __extract_info

ie_result = ie.extract(url)


 "/usr/lib/python3.9/site-packages/youtube_dl/extractor/common.py", line 534, in extract

ie_result = self._real_extract(url)


 "/usr/lib/python3.9/site-packages/youtube_dl/extractor/youtube.py", line 2694, in _real_extract

data = self._extract_yt_initial_data(item_id, webpage)


 "/usr/lib/python3.9/site-packages/youtube_dl/extractor/youtube.py", line 284, in _extract_yt_initial_data

self._search_regex(


 "/usr/lib/python3.9/site-packages/youtube_dl/extractor/common.py", line 1012, in _search_regex

raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract yt initial data; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see
https://yt-dl.org/update
on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Traceback (most recent call last):


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


 "D:\study\project\3D cnn\3DUnetCNN-master\brats\preprocess.py", line 155, in convert_brats_data

no_bias_correction_modalities=no_bias_correction_modalities)


 "D:\study\project\3D cnn\3DUnetCNN-master\brats\preprocess.py", line 124, in convert_brats_folder

normalize_image(image_file, out_file, bias_correction=perform_bias_correction)


 "D:\study\project\3D cnn\3DUnetCNN-master\brats\preprocess.py", line 112, in normalize_image

correct_bias(in_file, out_file)


 "D:\study\project\3D cnn\3DUnetCNN-master\brats\preprocess.py", line 70, in correct_bias

done = correct.run()


 "D:\softwares\Annoconda3\lib\site-packages\nipype\interfaces\base\core.py", line 498, in run

version=self.version)


 "D:\softwares\Annoconda3\lib\site-packages\nipype\interfaces\ants\base.py", line 125, in version

return Info.version()


 "D:\softwares\Annoconda3\lib\site-packages\nipype\interfaces\base\core.py", line 1283, in version

terminal_output='allatonce').run()


 "D:\softwares\Annoconda3\lib\site-packages\nipype\interfaces\base\core.py", line 516, in run

runtime = self._run_interface(runtime)


 "D:\softwares\Annoconda3\lib\site-packages\nipype\interfaces\base\core.py", line 1020, in _run_interface

runtime = run_command(runtime, output=self.terminal_output)


 "D:\softwares\Annoconda3\lib\site-packages\nipype\interfaces\base\core.py", line 750, in run_command

close_fds=False,


 "D:\softwares\Annoconda3\lib\subprocess.py", line 709, in __init__

restore_signals, start_new_session)


 "D:\softwares\Annoconda3\lib\subprocess.py", line 997, in _execute_child

startupinfo)
TypeError: environment can only contain strings
