我已经通过pip install
pipenv在vs代码中为django项目安装了虚拟环境。虽然我已经成功安装了虚拟环境和django（3.0.5），但是当我尝试安装python manage.py runserver它时却抛出了一个错误。它只是说它找不到任何名为django的模块（但是当我键入django-admin --version它时，它表明我已经安装了django，它的版本是3.0.5）。在我的cmd中，我收到以下消息：

    C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT>"C:/Users/Ahnaaf Al Rafee/.virtualenvs/POLLSTAR_PROJECT-oW8GrevN/Scripts/activate.bat"

(POLLSTAR_PROJECT) C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT>python manage.py runserver
python: can't open file 'manage.py': [Errno 2] No such file or directory

(POLLSTAR_PROJECT) C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT>cd pollstar

(POLLSTAR_PROJECT) C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT\pollstar>python manage.py runserver
Traceback (most recent call last):
  File "manage.py", line 10, in main
    from django.core.management import execute_from_command_line
ModuleNotFoundError: No module named 'django'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "manage.py", line 21, in <module>
    main()
  File "manage.py", line 12, in main
    raise ImportError(
ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?

(POLLSTAR_PROJECT) C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT\pollstar>python manage.py runserver 8081
Traceback (most recent call last):
  File "manage.py", line 10, in main
    from django.core.management import execute_from_command_line
ModuleNotFoundError: No module named 'django'


(POLLSTAR_PROJECT) C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT\pollstar>django-admin --version
3.0.5

(POLLSTAR_PROJECT) C:\Users\Ahnaaf Al Rafee\POLLSTAR_PROJECT\pollstar>python manage.py runserver
Traceback (most recent call last):
  File "manage.py", line 10, in main
    from django.core.management import execute_from_command_line
ModuleNotFoundError: No module named 'django'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "manage.py", line 21, in <module>
    main()
  File "manage.py", line 12, in main
    raise ImportError(
ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?