Traceback (most recent call last):


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/player.py", line 598, in run

self._do_run()


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/player.py", line 585, in _do_run

data = self.source.read()


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/player.py", line 538, in read

ret = self.original.read()


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/player.py", line 223, in read

ret = self._stdout.read(OpusEncoder.FRAME_SIZE)
AttributeError: 'NoneType' object has no attribute 'read'

Traceback (most recent call last):


 "manage.py", line 10, in <module>

execute_from_command_line(sys.argv)


 "/home/nigel/.virtualenvs/sarah/lib/python3.5/site-packages/django/core/management/__init__.py", line 367, in execute_from_command_line

utility.execute()


 "/home/nigel/.virtualenvs/sarah/lib/python3.5/site-packages/django/core/management/__init__.py", line 359, in execute

self.fetch_command(subcommand).run_from_argv(self.argv)


 "/home/nigel/.virtualenvs/sarah/lib/python3.5/site-packages/django/core/management/__init__.py", line 208, in fetch_command

klass = load_command_class(app_name, subcommand)


 "/home/nigel/.virtualenvs/sarah/lib/python3.5/site-packages/django/core/management/__init__.py", line 40, in load_command_class

module = import_module('%s.management.commands.%s' % (app_name, name))


 "/home/nigel/.virtualenvs/sarah/lib64/python3.5/importlib/__init__.py", line 126, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "<frozen importlib._bootstrap>", line 986, in _gcd_import


 "<frozen importlib._bootstrap>", line 969, in _find_and_load


 "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 673, in _load_unlocked


 "<frozen importlib._bootstrap_external>", line 665, in exec_module


 "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed


 "/home/nigel/.virtualenvs/sarah/lib/python3.5/site-packages/simple_history/management/commands/populate_history.py", line 16, in <module>

class Command(BaseCommand):


 "/home/nigel/.virtualenvs/sarah/lib/python3.5/site-packages/simple_history/management/commands/populate_history.py", line 30, in Command

option_list = BaseCommand.option_list + (
AttributeError: type object 'BaseCommand' has no attribute 'option_list'
