minor updates

app.py

@@ -160,9 +160,9 @@ def predict_and_analyze(model_name, num_channels, dim, image):
     print("Activations and predictions finished")
     
     if output[0] < output[1]:
-        output = 'Planet predicted with %f percent confidence' % (100*output[1])
+        output = 'Planet predicted with %.3f percent confidence' % (100*output[1])
     else:
-        output = 'No planet predicted with %f percent confidence' % (100 - 100*output[0])
+        output = 'No planet predicted with %.3f percent confidence' % (100 - 100*output[0])
         
     input_image = normalize_array(input_image)
     activation_1 = normalize_array(activation_1)