Update app.py

app.py

@@ -205,7 +205,7 @@ def predict_inverse(hardness_target, ys_target, request: gr.Request):
                                'Single/Multiphase ', 'Single/Multiphase M', 'Single/Multiphase S']]
     result = optimized_x
     result = result[result>0.0].dropna(axis=1)
-    return result, plot
+    return (result, plot)
 
 
 example_inputs = [420, 10]