reverting changes that did not work

main.py

@@ -12,5 +12,14 @@ def run(question):
 
     agent_chain = get_agent_chain(prompt, tools)
 
-    return agent_chain.run(question)
+    result = None
+
+    try:
+        result = agent_chain.run(question)
+    except ValueError as ve:
+        if "Could not parse LLM output:" in ve.args[0] and question.lower().startswith(tuple(question_starters)):
+            question = question + '?'
+            result = agent_chain.run(question)
+
+    return result
 

requirements.txt

@@ -1,4 +1,4 @@
-langchain==0.0.128
+langchain==0.0.129
 openai==0.27.2
 faiss-cpu==1.7.3
 flask==2.2.3

utils.py

@@ -16,7 +16,7 @@ from langchain.embeddings import OpenAIEmbeddings
 pickle_file = "open_ai.pkl"
 index_file = "open_ai.index"
 
-gpt_3_5 = OpenAI(model_name='gpt-3.5-turbo',temperature=0)
+gpt_3_5 = OpenAI(model_name='text-davinci-002',temperature=0)
 
 embeddings = OpenAIEmbeddings()