小编Sus*_*dda的帖子

我是Flask的新手(也是python的新手),我尝试运行以下非常基本的脚本:

from flask import Flask
app= Flask(__name__)
@app.route('/')
def home():
    return "This is the homepage"
if __name__=="__main__":
    app.run(debug=True)

我在Windows 10上使用Python 3.6和IDLE.问题是我一直收到以下错误:

Traceback (most recent call last):
  File "C:/Users/Susy/Desktop/provaflask.py", line 7, in <module>
    app.run(debug=True)
  File "C:\Users\Susy\AppData\Local\Programs\Python\Python36\lib\site-packages\flask\app.py", line 936, in run
    cli.show_server_banner(self.env, self.debug, self.name, False)
  File "C:\Users\Susy\AppData\Local\Programs\Python\Python36\lib\site-packages\flask\cli.py", line 630, in show_server_banner
    click.echo(message)
  File "C:\Users\Susy\AppData\Local\Programs\Python\Python36\lib\site-packages\click\utils.py", line 217, in echo
    file = _default_text_stdout()
  File "C:\Users\Susy\AppData\Local\Programs\Python\Python36\lib\site-packages\click\_compat.py", line 621, in func
    rv = wrapper_func()
  File "C:\Users\Susy\AppData\Local\Programs\Python\Python36\lib\site-packages\click\_compat.py", line 385, in get_text_stdout
    rv = _get_windows_console_stream(sys.stdout, encoding, errors)
  File …