파이썬 venv가상환경을 폴더에 설치하고

터미널에 파이썬 플라스크 설치코드(pip install flask)를 입력하였는데

설치가 되지 않습니다.

localhost:5000에 들어가도 접속이 되지 않습니다.

해결방법좀 여쭤봐도 될까요?

작성한 코드 및 에러 메세지

<from flask import Flask

app = Flask(__name__)

@app.route('/')

def home():

   return 'This is Home!'

if __name__ == '__main__':  

   app.run('0.0.0.0',port=5000,debug=True)>

●pip install flask 입력후 메세지

user@□□□□□□ MINGW64 ~/Desktop/python/01.prac

$ pip install flask

Requirement already satisfied: flask in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (2.2.3)

Requirement already satisfied: itsdangerous>=2.0 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from flask) (2.1.2)

Requirement already satisfied: Jinja2>=3.0 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from flask) (3.1.2)

Requirement already satisfied: importlib-metadata>=3.6.0 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from flask) (6.0.0)

Requirement already satisfied: click>=8.0 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from flask) (8.1.3)

Requirement already satisfied: Werkzeug>=2.2.2 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from flask) (2.2.3)

Requirement already satisfied: colorama in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from click>=8.0->flask) (0.4.6)

Requirement already satisfied: zipp>=0.5 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from importlib-metadata>=3.6.0->flask) (3.15.0)

Requirement already satisfied: MarkupSafe>=2.0 in c:\users\user\desktop\python\01.prac\venv\lib\site-packages (from Jinja2>=3.0->flask) (2.1.2)    

(venv) 

●터미널에서 파이썬 파일 실행후 메세지

user@□□□□□□ MINGW64 ~/Desktop/python/01.prac

$ c:/Users/user/Desktop/python/01.prac/venv/Scripts/python.exe c:/Users/user/Desktop/python/01.prac/app.py

 * Serving Flask app 'app'

 * Debug mode: on

Traceback (most recent call last):

 File "c:/Users/user/Desktop/python/01.prac/app.py", line 9, in <module>

  app.run('0.0.0.0',port=5000,debug=True)

 File "C:\Users\user\Desktop\python\01.prac\venv\lib\site-packages\flask\app.py", line 1191, in run

  run_simple(t.cast(str, host), port, self, **options)

 File "C:\Users\user\Desktop\python\01.prac\venv\lib\site-packages\werkzeug\serving.py", line 1037, in run_simple

  srv = make_server(

 File "C:\Users\user\Desktop\python\01.prac\venv\lib\site-packages\werkzeug\serving.py", line 877, in make_server

  return ThreadedWSGIServer(

 File "C:\Users\user\Desktop\python\01.prac\venv\lib\site-packages\werkzeug\serving.py", line 710, in __init__

  self.server_bind()

 File "C:\Users\user\AppData\Local\Programs\Python\Python38\lib\http\server.py", line 140, in server_bind

  self.server_name = socket.getfqdn(host)

 File "C:\Users\user\AppData\Local\Programs\Python\Python38\lib\socket.py", line 756, in getfqdn

  hostname, aliases, ipaddrs = gethostbyaddr(name)

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb1 in position 0: invalid start byte

(venv)