Update app.py

app.py

@@ -40,9 +40,9 @@ def load_model(model_repo_id):
 def predict(pilimg,Threshold):
 
     image_np = pil_image_as_numpy_array(pilimg)
-    if Threshold == None
+    if type(Threshold) is NoneType:
         Threshold=0.38
-    
+        
     return predict2(image_np),predict3(image_np),Threshold
 
 def predict2(image_np):