added note to install langchain==0.0.180

amaiya · Jul 23, 2023 · 6845378 · 6845378
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -16,7 +16,7 @@ Most recent releases are shown at the top. Each release shows:
 - N/A
 
 ### fixed:
-- Removed pin to `paper-qa==2.1.1` due to issue in latest `langchain` release
+- Removed pin to `paper-qa==2.1.1` due to issue in latest `langchain` release. Added notification to install `langchain==0.0.180`
 
 
 ## 0.37.5 (2023-07-22)

diff --git a/ktrain/text/qa/generative_qa.py b/ktrain/text/qa/generative_qa.py
@@ -45,7 +45,7 @@ def __init__(self, llm=None):
         """
         if not PAPERQA_INSTALLED:
             raise Exception(
-                "GenerativeQA in ktrain requires the paper-qa package by Andrew White: pip install paper-qa==2.1.1"
+                "GenerativeQA in ktrain requires the paper-qa package by Andrew White: pip install paper-qa==2.1.1 langchain==0.0.180"
             )
         self.docs = Docs(llm)
         if is_notebook():