[Python] Dash Plotly X-Axis

I have a dash plot graph (see below link) that shows the "Inspection Date" on the x-axis and the "SCORE" on the y-axis. My goal is to be able to switch (with radio buttons) the y-axis between the "SCORE" and "Points" (please see below picture of the dateframe). As you can see in the code, I added an input (dcc.RadioItems) with the ID 'radio' in the layout and in the callback function. I named it "argu1" in the function.

My below code works as intended if I leave the y-axis as "SCORE", but the graph will only shows me the average "score".

fig = px.line(dff, x="InspecDate", y='SCORE', color='CUISINE', height=600)


If I change the y-axis to the argument I assigned it to (argu1),

fig = px.line(dff, x="InspecDate", y=argu1, color='CUISINE', height=600)


I get this error message: ValueError: Value of 'y' is not the name of a column in 'data_frame'. Expected one of ['InspecDate', 'CUISINE', 'Points', 'SCORE'] but received: Score

Can someone please help why I am getting this error message? Your help is greatly appreciated.

Graph:

Dataframe:



My code:

app = dash.Dash(__name__)

app.layout = html.Div([

dcc.Graph(id='our_graph'),

dcc.Dropdown(id='cuisine_one',
options=[{'label':x, 'value':x} for x in df.sort_values('CUISINE')['CUISINE'].unique()],
value='African'),

dcc.Dropdown(id='cuisine_two',
options=[{'label':x, 'value':x} for x in df.sort_values('CUISINE')['CUISINE'].unique()],
value='Asian'),

dcc.Dropdown(id='cuisine_three',
options=[{'label':x, 'value':x} for x in df.sort_values('CUISINE')['CUISINE'].unique()],
value='Donuts'),
html.Br(),

dcc.RadioItems(id='radio',
options={
'SCORE' : 'avg_score',
'Points': 'avg_points'},
value='Score') ])

@app.callback(
Output('our_graph','figure'),
Input('cuisine_one','value'),
Input('cuisine_two','value'),
Input('cuisine_three','value'),
Input('radio', 'value') )

def build_graph(first_cuisine, second_cuisine, third_cuisine, argu1):
dff=df[(df['CUISINE']==first_cuisine)|
(df['CUISINE']==second_cuisine)|
(df['CUISINE']==third_cuisine)]

fig = px.line(dff, x="InspecDate", y='SCORE', color='CUISINE', height=600)

return fig

if __name__ == '__main__':
app.run_server(debug=False, port = 8060)

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