Update main.py

main.py

@@ -55,8 +55,11 @@ async def upload_image(fields:str, model:str, file: UploadFile = File(...)):
         response = json.loads(response)
         
         # Step 3: Convert fields and values into key-value pairs
+        # if 'fields' in response and 'values' in response:
+        #     response = dict(zip(response['fields'], response['values']))
         if 'fields' in response and 'values' in response:
-            response = dict(zip(response['fields'], response['values']))
+            response = {key: (None if value == "null" else value) for key, value in zip(response['fields'], response['values'])}
+
         
         # response flattening
         response = flatten(response)