I get the same error - however when I remove the color= option the error
disappears. Of course, then I don't get the chart that I need.
On Monday, 5 April 2021 at 22:47:12 UTC+10 geethanj...@gmail.com wrote:
> Hi Guys,
>
> I'm getting an error while executing the code...Please help me if anyone
> is aware of dash and plotly.
> Thanks in advance.
>
> #code:
> getting error as.. Callback error updating the graph.figure
>
> import pandas as pd
>
> import dash
> import dash_core_components as dcc
> import dash_html_components as html
> from dash.dependencies import Input, Output
> import plotly.express as px
>
> df = pd.read_csv("C:/Users/ganjali001/Documents/DEMO_NEW.csv")
>
> app = dash.Dash(__name__)
>
> #---------------------------------------------------------------
> app.layout = html.Div([
> html.Div([
> html.Label(['Payment Details']),
> dcc.Dropdown(
> id='my_dropdown',
> options=[
> {'label': 'Commercial', 'value': 'COMMERCIAL'},
> {'label': 'Medicare', 'value': 'MEDICARE'},
> {'label': 'Medicaid', 'value': 'MEDICAID'},
> {'label': 'Self Pay', 'value': 'SELF-PAY'},
> {'label': 'Default', 'value': 'DEFAULT'}
> ],
> value='SELF-PAY',
> multi=False,
> clearable=False,
> style={"width": "50%"}
> ),
> ]),
>
> html.Div([
> dcc.Graph(id='the_graph')
> ]),
>
> ])
>
> #---------------------------------------------------------------
> @app.callback(
> Output(component_id='the_graph', component_property='figure'),
> [Input(component_id='my_dropdown', component_property='value')]
> )
>
> def update_graph(my_dropdown):
> dff = df
>
> piechart = px.pie(
> data_frame=dff,
> values='PaymentAmt',
> names=my_dropdown,
> color='FinancialClass', # differentiate markers (discrete) by color
>
> title='Payments by Financial Class', # figure title
> template='presentation', # 'ggplot2', 'seaborn', 'simple_white',
> 'plotly',
>
> width=800, # figure width in pixels
> height=600, # figure height in pixels
> hole=0, # represents the hole in middle of pie
> )
>
> return (piechart)
>
>
> if __name__ == '__main__':
> app.run_server(debug=True, port=1200)
>
>
>
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