Script does not work. I get the following error after running the script. It is stuck at the last line.

[princerajeev21]

PS D:\Test\Udemy-Course-Grabber-master> python udemy.py -c cookie.txt
Exception in thread Thread-5:
Traceback (most recent call last):
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 932, in _bootstrap_inner
self.run()
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 870, in run
self._target(*self._args, **self.kwargs)
File "udemy.py", line 310, in real_discount
soup = bs(r.content, 'html5lib')
File "C:\Users\Rajeev\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\bs4_init.py", line 243, in init
raise FeatureNotFound(
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?
Exception in thread Thread-2:
Traceback (most recent call last):
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 932, in _bootstrap_inner
self.run()
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 870, in run
self._target(*self._args, **self.kwargs)
File "udemy.py", line 224, in discudemy
soup = bs(r.content, 'html5lib')
File "C:\Users\Rajeev\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\bs4_init.py", line 243, in init
raise FeatureNotFound(
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?
Exception in thread Thread-3:
Traceback (most recent call last):
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 932, in _bootstrap_inner
self.run()
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 870, in run
self._target(*self._args, **self.kwargs)
File "udemy.py", line 258, in udemy_freebies
soup = bs(r.content, 'html5lib')
File "C:\Users\Rajeev\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\bs4_init.py", line 243, in init
raise FeatureNotFound(
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?
Exception in thread Thread-4:
Traceback (most recent call last):
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 932, in _bootstrap_inner
self.run()
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.2288.0_x64__qbz5n2kfra8p0\lib\threading.py", line 870, in run
self._target(*self._args, **self.kwargs)
File "udemy.py", line 284, in tutorialbar
soup = bs(r.content, 'html5lib')
File "C:\Users\Rajeev\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\bs4_init.py", line 243, in init
raise FeatureNotFound(
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?