在webfaction服务器上部署flask（直接在云端部署的，没有在本地弄过），能够显示hello world，但是却不能更改内容，比如hello world123这种。之前有帖子讨论过在本地的，想问一下在云端服务器的能怎么办吗？
index.py的代码是
import os
import sys
CURRENT_FILE = os.path.abspath(file)
CURRENT_DIR = os.path.dirname(CURRENT_FILE)
PROJECT_DIR = os.path.dirname(CURRENT_DIR)
sys.path.append(PROJECT_DIR + ‘/src/’)
sys.path.append(PROJECT_DIR + ‘/virtualenv/lib/python3.7/site-packages/’)
from myapp0 import server as application
项目文件pyapp0.py是
import os
import dash
import dash_core_components as dcc
import dash_html_components as html
external_stylesheets = [‘https://codepen.io/chriddyp/pen/bWLwgP.css’]
app = dash.Dash(name, external_stylesheets=external_stylesheets)
server = app.server
app.layout = html.Div([
html.H2(‘Hello World’),
dcc.Dropdown(
id=‘dropdown’,
options=[{‘label’: i, ‘value’: i} for i in [‘LA’, ‘NYC’, ‘MTL’]],
value=‘LA’
),
html.Div(id=‘display-value’)
])
@app.callback(dash.dependencies.Output(‘display-value’, ‘children’),
[dash.dependencies.Input(‘dropdown’, ‘value’)])
def display_value(value):
return ‘You have selected “{}”’.format(value)
if name == ‘main’:
app.run_server(debug=True)
debug怎么也弄不出来了
求助哪里错了导致的问题，超级感谢！！