The 'doctor' is now a 'static' method.

app.py

@@ -368,8 +368,9 @@ peft_model = PeftModel.from_pretrained(peft_model, "Tonic/stablemed", token=hf_t
 class ChatBot:
     def __init__(self):
         self.history = []
-
-    def doctor(self, user_input, system_prompt="You are an expert medical analyst:"):
+        
+    @staticmethod
+    def doctor(user_input, system_prompt="You are an expert medical analyst:"):
         formatted_input = f"{system_prompt}{user_input}"
         user_input_ids = tokenizer.encode(formatted_input, return_tensors="pt")
         response = peft_model.generate(input_ids=user_input_ids, max_length=512, pad_token_id=tokenizer.eos_token_id)