Observation: Error: 'function' object has no attribute 'metadata'

...
_get_async_stream_ai_response
    await chat_stream_response._is_function_false_event.wait()
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'StreamingAgentChatResponse' object has no attribute '_is_function_false_event'. Did you mean: 'is_function_false_event'?
INFO:httpx:HTTP Request: POST https://api.openai.com/v1/chat/completions "HTTP/1.1 200 OK"
HTTP Request: POST https://api.openai.com/v1/chat/completions "HTTP/1.1 200 OK"

TypeError: Can't instantiate abstract class Anthropic with abstract method _prepare_chat_with_tools

TypeError: Can't instantiate abstract class MistralAI with abstract method _prepare_chat_with_tools

from llama_index.llms.anthropic import Anthropic
from llama_index.llms.mistralai import MistralAI

Traceback (most recent call last):
  File "/app/main.py", line 1, in <module>
    from llama_index.agent.openai import OpenAIAgent
  File "/usr/local/lib/python3.12/site-packages/llama_index/agent/openai/__init__.py", line 1, in <module>
    from llama_index.agent.openai.base import OpenAIAgent
  File "/usr/local/lib/python3.12/site-packages/llama_index/agent/openai/base.py", line 20, in <module>
    from llama_index.agent.openai.step import OpenAIAgentWorker
  ...
  File "/usr/local/lib/python3.12/site-packages/llama_index/core/instrumentation/__init__.py", line 1, in <module>
    from llama_index.core.instrumentation.dispatcher import Dispatcher, Manager
  File "/usr/local/lib/python3.12/site-packages/llama_index/core/instrumentation/dispatcher.py", line 24, in <module>
    class Dispatcher(BaseModel):
  File "/usr/local/lib/python3.12/site-packages/pydantic/v1/main.py", line 286, in __new__
    cls.__try_update_forward_refs__()
  File "/usr/local/lib/python3.12/site-packages/pydantic/v1/main.py", line 807, in __try_update_forward_refs__
    update_model_forward_refs(cls, cls.__fields__.values(), cls.__config__.json_encoders, localns, (NameError,))
  File "/usr/local/lib/python3.12/site-packages/pydantic/v1/typing.py", line 554, in update_model_forward_refs
    update_field_forward_refs(f, globalns=globalns, localns=localns)
  File "/usr/local/lib/python3.12/site-packages/pydantic/v1/typing.py", line 520, in update_field_forward_refs
    field.type_ = evaluate_forwardref(field.type_, globalns, localns or None)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/pydantic/v1/typing.py", line 66, in evaluate_forwardref
    return cast(Any, type_)._evaluate(globalns, localns, set())
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: ForwardRef._evaluate() missing 1 required keyword-only argument: 'recursive_guard'

E   ModuleNotFoundError: No module named 'llama_index.llms.anthropic'

    chat_engine = index.as_chat_engine()
    print(f"sending")
    response = chat_engine.stream_chat(lastMessage.content, messages)
    print("received")