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Increase figure space outside of plot without making the plot bigger

Hi,
Today I was trying to add a note at the bottom of a plot, but iI see it gets cropped, because there’s no more space for the note to appear, like this (In the bottom left corner you can see the note is cropped off):

I tried using height , but this just makes the plot bigger without adding space outside of it. Also tried with margins and padding , but they don’t seem to work either. So, I guess there’s another way I’m missing. Any ideas? Anyways here’s some functional code to reproduce my problem:

import dash
import dash_core_components as dcc
import dash_html_components as html
import pandas as pd
import plotly.graph_objects as go
from dash.dependencies import Input, Output


app = dash.Dash(__name__)
server = app.server

df = pd.DataFrame(pd.DataFrame({'country': {0: 'Iceland',
  1: 'Bahrain',
  2: 'Norway',
  3: 'Estonia',
  4: 'Switzerland',
  5: 'Israel',
  6: 'Slovenia'},
 'test_million': {0: 102658.70704717531,
  1: 42367.37939352402,
  2: 23969.44609101287,
  3: 23037.322451160784,
  4: 22929.918218991366,
  5: 17042.22280880952,
  6: 16865.661240773756}}))


country_options = [{'label': i, 'value': i} for i in df.country.unique()]

def plot_tests():
    dte = df.sort_values('test_million', ascending=False)[['country', 'test_million']].head(5)
    fig = go.Figure()
    fig.add_trace(go.Bar(x=dte['country'], y=dte['test_million']))
    fig.update_layout(annotations= [dict(
                              x=0.0,
                              y=-0.32,
                              showarrow=False,
                              text="<b>Note</b>: Lorem ipsum .",
                              xref="paper",
                              yref="paper")])
    return fig

app.layout = html.Div(children=[

    dcc.Graph(id='tests', figure=plot_tests())
    ])


if __name__ == '__main__':
    app.run_server(debug=True)

set “b” inside “margin” inside “layout” inside “figure” inside dcc.Graph: https://plotly.com/python/setting-graph-size/