
Traceback (most recent call last):


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\exceptions.py", line 1062, in __call__

return func(*args, **kwargs)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\cli\main.py", line 84, in _main

exit_code = do_call(args, p)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\cli\conda_argparse.py", line 82, in do_call

exit_code = getattr(module, func_name)(args, parser)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\cli\main_create.py", line 37, in execute

install(args, parser, 'create')


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\cli\install.py", line 256, in install

force_reinstall=context.force_reinstall or context.force,


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\core\solve.py", line 112, in solve_for_transaction

force_remove, force_reinstall)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\core\solve.py", line 150, in solve_for_diff

force_remove)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\core\solve.py", line 262, in solve_final_state

ssc = self._run_sat(ssc)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\common\io.py", line 88, in decorated

return f(*args, **kwds)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\core\solve.py", line 780, in _run_sat

repodata_fn=self._repodata_fn)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\common\io.py", line 88, in decorated

return f(*args, **kwds)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\resolve.py", line 1183, in solve

self.find_conflicts(specs, specs_to_add, history_specs)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\resolve.py", line 336, in find_conflicts

bad_deps = self.build_conflict_map(specs, specs_to_add, history_specs)


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\resolve.py", line 425, in build_conflict_map

deps = set.union(*[set(self.ms_depends_.get(prec)) for prec in precs])


 "C:\Users\Geoff\Miniconda3\lib\site-packages\conda\resolve.py", line 425, in <listcomp>

deps = set.union(*[set(self.ms_depends_.get(prec)) for prec in precs])

TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):on ..


 "udemy-dl.py", line 1444, in <module>

main()


 "udemy-dl.py", line 1294, in main

udemy.course_list_down(chapter_number=options.chapter, lecture_number=options.lecture, unsafe=options.unsafe)


 "udemy-dl.py", line 154, in course_list_down

course = udemy.course(url=self.url, username=self.username, password=self.password, cookies=self.cookies)


 "D:\test\udemy-dl\udemy\_udemy.py", line 38, in course

return Udemy(url, username, password, cookies, basic, callback)


 "D:\test\udemy-dl\udemy\_internal.py", line 44, in __init__

super(InternUdemyCourse, self).__init__(*args, **kwargs)


 "D:\test\udemy-dl\udemy\_shared.py", line 62, in __init__

self._fetch_course()


 "D:\test\udemy-dl\udemy\_internal.py", line 56, in _fetch_course

self._info
=
self._real_extract(self._url)


 "D:\test\udemy-dl\udemy\_extract.py", line 396, in _real_extract

course_id, course_info = self._extract_course_info(url)


 "D:\test\udemy-dl\udemy\_extract.py", line 123, in _extract_course_info

portal_name, course_name = self._course_name(url)
TypeError: 'NoneType' object is not iterable