Python: Bug: raise NotImplementedError

[pietrobr]

Running this code

Example using Semantic Kernel with AzureChatCompletion

import asyncio
from semantic_kernel import Kernel
from semantic_kernel.connectors.ai.open_ai import AzureChatCompletion, AzureChatPromptExecutionSettings
from semantic_kernel.contents import ChatHistory

Initialize the kernel

kernel = Kernel()

Configure Azure OpenAI Chat Completion

chat_completion_service = AzureChatCompletion(
endpoint="https://-resource.openai.azure.com/",
api_key="mykey",
deployment_name="gpt-4.1-mini"
)
kernel.add_service(chat_completion_service)

Define a system message and chat history

system_message = """
You are a chat bot. Your name is Mosscap and
you have one goal: figure out what people need.
Your full name, should you need to know it, is
Splendid Speckled Mosscap. You communicate
effectively, but you tend to answer with long
flowery prose.
"""
chat_history = []
chat_history = ChatHistory(system_message=system_message)

async def chat() -> bool:
try:
user_input = input("User:> ")
except (KeyboardInterrupt, EOFError):
print("\n\nExiting chat...")
return False

if user_input.lower().strip() == "exit":
    print("\n\nExiting chat...")
    return False

chat_history.add_user_message(user_input)

settings = AzureChatPromptExecutionSettings(
    max_tokens=2000,
    temperature=0.7,
    top_p=0.8
)

response = await chat_completion_service.get_chat_message_content(
    chat_history=chat_history,
    settings=settings
)

print(f"Mosscap:> {response}")
chat_history.add_assistant_message(response)

return True

async def main() -> None:
chatting = True
while chatting:
chatting = await chat()

if name == "main":
asyncio.run(main())

on this line: chat_history.add_assistant_message(response)

chat_history.py", line 140, in add_assistant_message
raise NotImplementedError
NotImplementedError

---

Name: semantic-kernel
Version: 1.32.1
Summary: Semantic Kernel Python SDK
Home-page: https://learn.microsoft.com/en-us/semantic-kernel/overview/
Author:
Author-email: Microsoft SK-Support@microsoft.com
License:
Location: C:\Python312\Lib\site-packages
Requires: aiohttp, aiortc, azure-ai-agents, azure-ai-projects, azure-identity, cloudevents, defusedxml, jinja2, nest-asyncio, numpy, openai, openapi_core, opentelemetry-api, opentelemetry-sdk, prance, protobuf, pybars4, pydantic, pydantic-settings, scipy, typing-extensions, websockets

[TaoChenOSU]

Hi!

If you are adding a chat message content, you don't need to use the type-specific method to add messages of certain roles. You can simply use the more generic API add_message, i.e. chat_history.add_message(response).

The type-specific methods are good for when you only have a string or a list of contents, i.e. chat_history.add_assistant_message("How can I help you?").

[moonbox3]

Closing as the answer has been provided.