Debugging value error in prediction datatype

app.py

@@ -22,9 +22,9 @@ from pathlib import Path
 # Run the training script placed in the same directory as app.py
 # The training script will train and persist a linear regression
 # model with the filename 'model_ic.joblib'
-print("... Initializing train_ic.py")
+print(f"\n... Initializing train_ic.py\n")
 os.system('python train_ic.py')   # Take a command line argument: execute the "train_ic.py" in a subterminal... this will load the data file and serialize the model into "model_ic.joblib
-print("... train_ic.py initialized.")
+print(f"\n... train_ic.py initialized.\n")
 
 # Load the freshly trained model from disk
 # Reconstruct a Python object from a file persisted with joblib.dump.
@@ -86,7 +86,11 @@ def predict_insurance_charge(age, bmi, children, sex, smoker, region):
             ))
             f.write("\n")
 
-    return prediction[0]
+    prediction_result = prediction[0]
+    print(f"\nDebug - Prediction result: {prediction_result} - {type(prediction_result)}\n")
+    return prediction_result
+    
+    #return prediction[0]
 #--------------------------------------------------------------------------------------------------------------------------------------------------------------
 
 # Set up UI components for input and output