D:\Python\pythonproject\django_instroduction>python manage.py runserver

Performing system checks...

System check identified no issues (0 silenced).

January 07, 2020 - 21:44:26

Django version 2.0, using settings 'django_instroduction.settings'

Starting development server at http://127.0.0.1:8000/

Quit the server with CTRL-BREAK.

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x000000FA403AA9D8>

Traceback (most recent call last):

  File "D:\Python\InstallationDirectory\Python_v372\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper

    fn(*args, **kwargs)

  File "D:\Python\InstallationDirectory\Python_v372\lib\site-packages\django\core\management\commands\runserver.py", line 142, in inner_run

    ipv6=self.use_ipv6, threading=threading, server_cls=self.server_cls)

  File "D:\Python\InstallationDirectory\Python_v372\lib\site-packages\django\core\servers\basehttp.py", line 163, in run

    httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)

  File "D:\Python\InstallationDirectory\Python_v372\lib\site-packages\django\core\servers\basehttp.py", line 66, in __init__

    super().__init__(*args, **kwargs)

  File "D:\Python\InstallationDirectory\Python_v372\lib\socketserver.py", line 452, in __init__

    self.server_bind()

  File "D:\Python\InstallationDirectory\Python_v372\lib\wsgiref\simple_server.py", line 50, in server_bind

    HTTPServer.server_bind(self)

  File "D:\Python\InstallationDirectory\Python_v372\lib\http\server.py", line 139, in server_bind

    self.server_name = socket.getfqdn(host)

  File "D:\Python\InstallationDirectory\Python_v372\lib\socket.py", line 676, in getfqdn

    hostname, aliases, ipaddrs = gethostbyaddr(name)

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xba in position 0: invalid start byte