update README example for Dash 2.0 and Dash.jl 1.0

README.md

@@ -20,17 +20,15 @@ pip install dash dash-textarea-autocomplete
 ```py
 # usage.py
 import dash_textarea_autocomplete
-import dash
-from dash.dependencies import Input, Output, State
-import dash_html_components as html
+from dash import Dash, callback, html, Input, Output, State
 
 WORD_LIST = ['apple', 'application', 'apartment',
              'boat', 'banana', 'boss',
              'coast', 'code', 'cat']
 
 external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']
 
-app = dash.Dash(__name__, external_stylesheets=external_stylesheets)
+app = Dash(__name__, external_stylesheets=external_stylesheets)
 
 app.layout = html.Div([
     dash_textarea_autocomplete.DashTextareaAutocomplete(
@@ -49,15 +47,15 @@ app.layout = html.Div([
 ], className='container')
 
 
-@app.callback(Output('output', 'children'),
-              Input('input', 'value'))
+@callback(Output('output', 'children'),
+          Input('input', 'value'))
 def display_output(value):
     return 'You have entered: {}'.format(value)
 
 
-@app.callback(Output('output2', 'children'),
-              Input('btn', 'n_clicks'),
-              State('input', 'value'))
+@callback(Output('output2', 'children'),
+          Input('btn', 'n_clicks'),
+          State('input', 'value'))
 def display_output2(n_clicks, value):
     return 'After click, you have: {}'.format(value)
 
@@ -70,11 +68,11 @@ if __name__ == '__main__':
 
 ### Dash for Julia
 
-1. Install `DashTextareaAutocomplete.jl`, `Dash.jl` and `DashHtmlComponents.jl`:
+1. Install `DashTextareaAutocomplete.jl` and `Dash.jl`:
 
 ```jl
 pkg> activate .
-pkg> add Dash DashHtmlComponents DashTextareaAutocomplete
+pkg> add Dash DashTextareaAutocomplete
 ```
 
 2. Run `julia --project usage.jl` - [click here to see `usage.jl`](https://github.com/etpinard/dash-textarea-autocomplete/blob/main/usage.jl)