Changed langchain to langchain_classic.

Author: souradipp76

readme_ready/query/create_chat_chain.py

@@ -4,14 +4,14 @@
 
 from typing import List
 
-from langchain.chains import (
+from langchain_classic.chains import (
     create_history_aware_retriever,
     create_retrieval_chain,
 )
-from langchain.chains.combine_documents.stuff import (
+from langchain_classic.chains.combine_documents.stuff import (
     create_stuff_documents_chain,
 )
-from langchain.prompts import PromptTemplate
+from langchain_core.prompts import PromptTemplate
 from langchain_core.runnables.base import Runnable
 
 from readme_ready.types import LLMModels

requirements.txt

@@ -1,5 +1,6 @@
 torch
 langchain
+langchain-classic
 markdown2
 langchain_openai
 langchain_experimental

tests/query/test_create_chat_chain.py

@@ -7,7 +7,7 @@
     condense_qa_prompt,
     condense_readme_prompt,
 )
-from langchain.prompts import PromptTemplate
+from langchain_core.prompts import PromptTemplate
 from readme_ready.utils.llm_utils import (
     models,
 )