[Python] Valid config keys have changed in V2: * 'fields' has been removed

Does anyone know how to resolve the following warning

UserWarning: Valid config keys have changed in V2:
* 'fields' has been removed
warnings.warn(message, UserWarning)


The code:

from smolagents import CodeAgent, HfApiModel

agent = CodeAgent(tools=[], model=HfApiModel())
while True:
user_input = input("You: ")
if user_input.lower() == "exit":
print("Goodbye!")
break
try:
response = agent.provide_final_answer(user_input)
print(f"Assistant: {response}")
except Exception as e:
print(f"An error occurred: {e}")


I want to ignore it or fix this warning. I tried to ignore it but not working

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