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community[patch]: chat message histrory mypy fix (#18250)

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Description: Fixed type: ignore's for mypy for
chat_message_histories(streamlit)
Adresses #17048 

Planning to add more based on reviews
This commit is contained in:
Yudhajit Sinha 2024-03-02 01:47:18 +05:30 committed by GitHub
parent b9416dc96a
commit e2b901c35b
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1 changed files with 14 additions and 5 deletions
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19
libs/community/langchain_community/chat_message_histories/streamlit.py
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@ -22,17 +22,26 @@ class StreamlitChatMessageHistory(BaseChatMessageHistory):
if key not in st.session_state:
st.session_state[key] = []
self._messages = st.session_state[key]
self._key = key
@property
def messages(self) -> List[BaseMessage]: # type: ignore
def messages(self) -> List[BaseMessage]:
"""Retrieve the current list of messages"""
return self._messages
import streamlit as st
return st.session_state[self._key]
@messages.setter
def messages(self, value: List[BaseMessage]) -> None:
"""Set the messages list with a new value"""
import streamlit as st
st.session_state[self._key] = value
def add_message(self, message: BaseMessage) -> None:
"""Add a message to the session memory"""
self._messages.append(message)
self.messages.append(message)
def clear(self) -> None:
"""Clear session memory"""
self._messages.clear()
self.messages.clear()