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Error running WSGI application TypeError: 'Dash' object is not callable

I am trying to lunch dask on .pythonanywhere via flask web app :
this is my code:

import dash
import dash_core_components as dcc
import dash_html_components as html

app = dash.Dash()

server = app.server
app.layout = html.Div(children=[
html.H1(children=‘Hello Dash’),

html.Div(children='''
    Dash: A web application framework for Python.
'''),

dcc.Graph(
    id='example-graph',
    figure={
        'data': [
            {'x': [1, 2, 3], 'y': [4, 1, 2], 'type': 'bar', 'name': 'SF'},
            {'x': [1, 2, 3], 'y': [2, 4, 5], 'type': 'bar', 'name': u'Montréal'},
        ],
        'layout': {
            'title': 'Dash Data Visualization'
        }
    }
)

])

if name == ‘main’:

server.run_server(debug=DEBUG)

i am getting the following error :

Error running WSGI application
2018-02-17 20:10:52,118: TypeError: ‘Dash’ object is not callable

how to fix it ?

There are a few other pythonanywhere questions in the forum that should be able to help you out: Dash - pythonanywhere deployment issue, or search pythonanywhere: https://community.plotly.com/search?q=pythonanywhere%20category%3A16