Traceback (most recent call last):


 "udemy-dl.py", line 1432, in <module>

main()


 "udemy-dl.py", line 1091, in main

udemy.course_download(path=options.output, quality=options.quality, unsafe=options.unsafe)


 "udemy-dl.py", line 500, in course_download

self.download_lectures_and_captions(lecture_best=lecture_best, lecture_title=lecture_title, inner_index=inner_index, lectures_count=lectures_count, lecture_subtitles=lecture_subtitles, lecture_assets=lecture_assets, filepath=filepath, unsafe=unsafe)


 "udemy-dl.py", line 418, in download_lectures_and_captions

self.download_assets(lecture_assets=lecture_assets, filepath=filepath, unsafe=unsafe)


 "udemy-dl.py", line 327, in download_assets

assets.download(filepath=filepath, unsafe=unsafe, quiet=True, callback=self.show_progress)


 "/Documents/personal/tutorials/udemy-dl/udemy/_shared.py", line 590, in download

return self._write_external_links(filepath, unsafe=unsafe)


 "/Documents/personal/tutorials/udemy-dl/udemy/_shared.py", line 519, in _write_external_links

except (OSError, Exception, UnicodeDecodeError, 
NotFoundError) as e:
NameError: global name '
NotFoundError' is not defined

Traceback (most recent call last):


 "/home/vvmelo/anaconda3/envs/py36/lib/python3.6/site-packages/vaex/dataframe.py", line 3376, in table_part

values[name] = self.evaluate(name, i1=k1, i2=k2)


 "/home/vvmelo/anaconda3/envs/py36/lib/python3.6/site-packages/vaex/dataframe.py", line 4713, in evaluate

value = scope.evaluate(expression)


 "/home/vvmelo/anaconda3/envs/py36/lib/python3.6/site-packages/vaex/scopes.py", line 86, in evaluate

result = self[expression]


 "/home/vvmelo/anaconda3/envs/py36/lib/python3.6/site-packages/vaex/scopes.py", line 128, in __getitem__

self.values[variable] = self.evaluate(expression)
# , out=self.buffers[variable])


 "/home/vvmelo/anaconda3/envs/py36/lib/python3.6/site-packages/vaex/scopes.py", line 92, in evaluate

result = eval(expression, expression_namespace, self)


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


 "/home/vvmelo/anaconda3/envs/py36/lib/python3.6/site-packages/vaex/expression.py", line 562, in __call__

return self.f(*args, **kwargs)
NameError: global name 'fillna' is not defined
