update to experimental

app.py

@@ -17,11 +17,12 @@ from langchain.prompts.prompt import PromptTemplate
 from langchain.prompts import PromptTemplate, ChatPromptTemplate, \
     SystemMessagePromptTemplate, HumanMessagePromptTemplate
 from sqlalchemy import create_engine, MetaData
-from langchain.chains.sql_database.base import SQLDatabaseChain
-from langchain.chains.sql_database.parser import VectorSQLRetrieveAllOutputParser
 from langchain.chains import LLMChain
-from langchain.sql_database import SQLDatabase
-from langchain.retrievers import SQLDatabaseChainRetriever
+
+from langchain_experimental.utilities.sql_database import SQLDatabase
+from langchain_experimental.retrievers.sql_database import SQLDatabaseChainRetriever
+from langchain_experimental.sql.base import SQLDatabaseChain
+from langchain_experimental.sql.parser import VectorSQLRetrieveAllOutputParser
 
 from chains.arxiv_chains import ArXivQAwithSourcesChain, ArXivStuffDocumentChain
 from callbacks.arxiv_callbacks import ChatDataSelfSearchCallBackHandler, \
@@ -29,6 +30,7 @@ from callbacks.arxiv_callbacks import ChatDataSelfSearchCallBackHandler, \
     ChatDataSQLAskCallBackHandler
 from prompts.arxiv_prompt import combine_prompt_template, _myscale_prompt
 
+
 st.set_page_config(page_title="ChatData")
 
 st.header("ChatData")

requirements.txt

@@ -1,4 +1,5 @@
-langchain @ git+https://github.com/myscale/langchain.git@preview
+langchain @ git+https://github.com/myscale/langchain.git#egg=langchain&subdirectory=libs/langchain
+langchain-experimental @ git+https://github.com/myscale/langchain.git#egg=langchain-experimental&subdirectory=libs/experimental
 InstructorEmbedding
 pandas
 sentence_transformers