重要なコード:
from flask import Flask, make_response
from werkzeug.serving import WSGIRequestHandler
app = Flask(__name__)
@app.before_request
def set_server_header():
WSGIRequestHandler.server_version = ''
WSGIRequestHandler.sys_version = ''
@app.route('/')
def index():
return 'こんにちは、世界！'
if __name__ == '__main__':
app.run()