Fix typo in function name

app.py

@@ -46,6 +46,6 @@ with gr.Blocks() as demo:
         p2 = gr.Slider(0, 10, label="Kernel coefficient", value=2, step=1e-3)
         p3 = gr.Slider(0, 1, label="Hyperparameter for ridge regression", value=0.1, step=1e-3)
         btn = gr.Button(value="Submit")
-        btn.click(plot_multi_tree, inputs= [p1,p2,p3], outputs= gr.Plot(label='Projecting data with PCA and Kernel PCA') ) 
+        btn.click(fit_plot, inputs= [p1,p2,p3], outputs= gr.Plot(label='Projecting data with PCA and Kernel PCA') ) 
 
 demo.launch()