在cpanel上部署Flask时出现BrokenPipeError

Question

我正在尝试使用cPanel部署我的Flask网站，但是当我尝试打开website时，它提示我 500 Internal Server Error 。

stderr.log

azure_rm_virtualmachinescaleset_facts
azure_rm_virtualmachinescalesetinstance_facts
azure_rm_virtualmachine_facts
azure_rm_subnet_facts
azure_rm_networkinterface_facts

passenger_wsgi.py

 * Serving Flask app "app" (lazy loading)
 * Serving Flask app "app" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: off
Traceback (most recent call last):
  File "/home2/pucomput/production/passenger_wsgi.py", line 27, in <module>
    application = flask_app.run()
  File "/home2/pucomput/virtualenv/production/3.7/lib/python3.7/site-packages/flask/app.py", line 939, in run
    cli.show_server_banner(self.env, self.debug, self.name, False)
  File "/home2/pucomput/virtualenv/production/3.7/lib/python3.7/site-packages/flask/cli.py", line 641, in show_server_banner
    click.echo(message)
  File "/home2/pucomput/virtualenv/production/3.7/lib/python3.7/site-packages/click/utils.py", line 261, in echo
    file.flush()
BrokenPipeError: [Errno 32] Broken pipe
 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

app / __ init __。py

from app import *

application = flask_app.run()

我不确定我的网站发生了什么。但是，当我尝试运行一个最小的网站时，它运行良好。

from flask import Flask

flask_app = Flask(__name__, template_folder="view")

from app.controller import *