app.py

# -*- coding: utf-8 -*-

import dash
import dash_core_components as dcc
import dash_html_components as html
import plotly.express as px
import pandas as pd
import dash_table
from dash.dependencies import Input, Output
import numpy as np
import dash
import dash_bootstrap_components as dbc

# External CSS stylesheets
external_stylesheets = [
    'https://codepen.io/chriddyp/pen/bWLwgP.css',
    {
        'href': 'https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css',
        'rel': 'stylesheet',
        'integrity': 'sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO',
        'crossorigin': 'anonymous'
    }
]

FONT_AWESOME = "https://use.fontawesome.com/releases/v5.7.2/css/all.css"

# Create app
app = dash.Dash(__name__, external_stylesheets=[dbc.themes.BOOTSTRAP, FONT_AWESOME],
                meta_tags=[
                    {"name": "viewport", "content": "width=device-width, initial-scale=1"}
                ])

# Set server
server = app.server

# Suppress callback exceptions
app.config.suppress_callback_exceptions = True