Update app.py

app.py

@@ -14,9 +14,6 @@ from langchain.vectorstores import Chroma
 
 from langchain.chains import RetrievalQA
 
-from langchain.memory import ConversationBufferMemory
-from langchain.chains import ConversationChain
-
 def loading_pdf():
     return "Loading..."
 
@@ -30,11 +27,6 @@ def pdf_changes(pdf_doc):
     qa = RetrievalQA.from_chain_type(
         llm=OpenAI(temperature=0.5), 
         chain_type="stuff", 
-        conversation = ConversationChain(
-            llm=llm, 
-            verbose=True,
-            memory=ConversationBufferMemory()
-        ), 
         retriever=retriever, 
         return_source_documents=True)
     return "Ready"
@@ -52,7 +44,7 @@ def infer(question):
     
     query = question
     result = qa({"query": query})
-    print(result)
+    #print(result)
     return result
 
 css="""