python（Django）アプリケーションのテンプレートとviewクラスを使ってページを表示させることができません。

テンプレートとviewクラスを使ってページを表示させるたいのですが、表示がされません。

侍エンジニア塾のサイトを見ながらDjangoの勉強をしているものです。
下記サイトに沿ってそのまま進めていたのですが

http://www.sejuku.net/blog/27387
https://www.sejuku.net/blog/25952

python manage.py runserverをコンソールに打ち込むと

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x03DFC300>
Traceback (most recent call last):
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\utils\autoreload.py", line 227, in wrapper
fn(*args, **kwargs)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\core\management\commands\runserver.py", line 125, in inner_run
self.check(display_num_errors=True)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\core\management\base.py", line 359, in check
include_deployment_checks=include_deployment_checks,
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\core\management\base.py", line 346, in run_checks
return checks.run_checks(**kwargs)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\core\checks\registry.py", line 81, in run_checks
new_errors = check(app_configs=app_configs)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\core\checks\urls.py", line 16, in check_url_config
return check_resolver(resolver)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\core\checks\urls.py", line 26, in check_resolver
return check_method()
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\urls\resolvers.py", line 254, in check
for pattern in self.url_patterns:
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\utils\functional.py", line 35, in get
res = instance.dict[self.name] = self.func(instance)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\urls\resolvers.py", line 405, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\utils\functional.py", line 35, in get
res = instance.dict[self.name] = self.func(instance)
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\urls\resolvers.py", line 398, in urlconf_module
return import_module(self.urlconf_name)
File "C:\Users\IBARAKI\anaconda3\lib\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 955, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 665, in load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 219, in call_with_frames_removed
File "C:\Users\IBARAKI\mysite\mysite\urls.py", line 20, in <module>
url(r'^myapp/', include('myapp.urls')),
File "C:\Users\IBARAKI\anaconda3\lib\site-packages\django\conf\urls_init.py", line 50, in include
urlconf_module = import_module(urlconf_module)
File "C:\Users\IBARAKI\anaconda3\lib\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 953, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'myapp.urls'