Após eu fazer todos os comandos passados nessa aula, fui rodar a aplicação e apareceu o seguindo erro

Traceback (most recent call last):
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/base.py", line 330, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/commands/runserver.py", line 61, in execute
    super().execute(*args, **options)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/base.py", line 371, in execute
    output = self.handle(*args, **options)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/commands/runserver.py", line 68, in handle
    if not settings.DEBUG and not settings.ALLOWED_HOSTS:
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/conf/__init__.py", line 82, in __getattr__
    self._setup(name)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/conf/__init__.py", line 69, in _setup
    self._wrapped = Settings(settings_module)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/conf/__init__.py", line 170, in __init__
    mod = importlib.import_module(self.SETTINGS_MODULE)
  File "/usr/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 941, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'receita'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "manage.py", line 22, in <module>
    main()
  File "manage.py", line 18, in main
    execute_from_command_line(sys.argv)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
    utility.execute()
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 395, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/core/management/base.py", line 343, in run_from_argv
    connections.close_all()
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/db/utils.py", line 232, in close_all
    for alias in self:
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/db/utils.py", line 226, in __iter__
    return iter(self.databases)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/utils/functional.py", line 48, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/db/utils.py", line 153, in databases
    self._databases = settings.DATABASES
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/conf/__init__.py", line 82, in __getattr__
    self._setup(name)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/conf/__init__.py", line 69, in _setup
    self._wrapped = Settings(settings_module)
  File "/home/joao/django-alura/venv/lib/python3.6/site-packages/django/conf/__init__.py", line 170, in __init__
    mod = importlib.import_module(self.SETTINGS_MODULE)
  File "/usr/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 941, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'receita'

Sendo que fiz tudo certo e não consegui achar o erro, inclusive fui na página do github e não achei o erro que era. Agradeceria muito pela ajuda.