OSError: [WinError 123] ファイル名、ディレクトリ名、またはボリューム ラベルの構文が間違っています。: '<frozen importlib._bootstrap>'

前提・実現したいこと

参考にしたサイトのチュートリアル↓↓
https://docs.djangoproject.com/en/2.2/intro/tutorial01/

バージョン:
Python 3.7.3 
Django 2.2.3

統合環境Pycharmのコマンドにて実行しました。

発生している問題・エラーメッセージ

(django) C:\Users\ichik\PycharmProjects\djangotest>python mysite/manage.py runserver
Watching for file changes with StatReloader
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:\Users\ichik\Anaconda3\envs\django\lib\threading.py", line 917, in _bootstrap_inner
    self.run()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 54, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\commands\runserver.py", line 109, in inner_run
    autoreload.raise_last_exception()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 77, in raise_last_exception
    raise _exception[1]
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\__init__.py", line 337, in execute
    autoreload.check_errors(django.setup)()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 54, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\apps\registry.py", line 91, in populate
    app_config = AppConfig.create(entry)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\apps\config.py", line 90, in create
    module = import_module(entry)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'polls'

Traceback (most recent call last):
  File "mysite/manage.py", line 21, in <module>
    main()
  File "mysite/manage.py", line 17, in main
    execute_from_command_line(sys.argv)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\commands\runserver.py", line 60, in execute
    super().execute(*args, **options)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\commands\runserver.py", line 95, in handle
    self.run(**options)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\core\management\commands\runserver.py", line 102, in run
    autoreload.run_with_reloader(self.inner_run, **options)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 587, in run_with_reloader
    start_django(reloader, main_func, *args, **kwargs)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 572, in start_django
    reloader.run(django_main_thread)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 290, in run
    self.run_loop()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 296, in run_loop
    next(ticker)
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 336, in tick
    for filepath, mtime in self.snapshot_files():
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 352, in snapshot_files
    for file in self.watched_files():
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 251, in watched_files
    yield from iter_all_python_module_files()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 103, in iter_all_python_module_files
    return iter_modules_and_files(modules, frozenset(_error_files))
  File "C:\Users\ichik\Anaconda3\envs\django\lib\site-packages\django\utils\autoreload.py", line 138, in iter_modules_and_files
    if not path.exists():
  File "C:\Users\ichik\Anaconda3\envs\django\lib\pathlib.py", line 1339, in exists
    self.stat()
  File "C:\Users\ichik\Anaconda3\envs\django\lib\pathlib.py", line 1161, in stat
    return self._accessor.stat(self)
OSError: [WinError 123] ファイル名、ディレクトリ名、またはボリューム ラベルの構文が間違っています。: '<frozen importlib._bootstrap>'

該当のソースコード

mysite/urls.py

"""mysite URL Configuration

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/2.2/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.urls import include, path
    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import include, path

urlpatterns = [
    path('polls/', include('polls.urls')),
    path('admin/', admin.site.urls),
]

polls/urls.py

from django.urls import path

from . import views

urlpatterns = [
    path(' ', views.index, name='index'),
]

polls/views.py

from django.shortcuts import render
from django.http import HttpResponse

def index(request):
    return HttpResponse("Hello, world. You're at the polls index.")

# Create your views here.