https://community.databricks.com/t5/generative-ai/from-langchain-qa-import-retrievalqa/m-p/93006#M587 <P>Hi ,</P><P>I have installed the library using "<SPAN>%</SPAN><SPAN>pip install langchain</SPAN>", but still I couldn't import&nbsp;RetrievalQA. Could anyone help?</P> Mon, 07 Oct 2024 23:30:29 GMT dinusr 2024-10-07T23:30:29Z https://community.databricks.com/t5/generative-ai/from-langchain-qa-import-retrievalqa/m-p/93006#M587 <P>Hi ,</P><P>I have installed the library using "<SPAN>%</SPAN><SPAN>pip install langchain</SPAN>", but still I couldn't import&nbsp;RetrievalQA. Could anyone help?</P> Mon, 07 Oct 2024 23:30:29 GMT https://community.databricks.com/t5/generative-ai/from-langchain-qa-import-retrievalqa/m-p/93006#M587 dinusr 2024-10-07T23:30:29Z https://community.databricks.com/t5/generative-ai/from-langchain-qa-import-retrievalqa/m-p/93028#M588 <P>Hi&nbsp;<a href="https://community.databricks.com/t5/user/viewprofilepage/user-id/125190">@dinusr</a>&nbsp;,<BR /><BR />Are you using the correct namespace langchain.chains to import?<BR /><BR /></P><LI-CODE lang="python">from langchain.chains import RetrievalQA</LI-CODE><P>If yes, try to&nbsp;</P><P>1. Install the most recent version&nbsp;<SPAN>%</SPAN><SPAN>pip install </SPAN><SPAN>--</SPAN><SPAN>upgrade </SPAN><SPAN>--</SPAN><SPAN>force</SPAN><SPAN>-</SPAN><SPAN>reinstall langchain</SPAN></P><P>2. Restart the kernel :<SPAN>&nbsp;dbutils.library.</SPAN><SPAN>restartPython</SPAN><SPAN>()</SPAN></P> Tue, 08 Oct 2024 07:47:02 GMT https://community.databricks.com/t5/generative-ai/from-langchain-qa-import-retrievalqa/m-p/93028#M588 filipniziol 2024-10-08T07:47:02Z