Update app.py

app.py

@@ -18,7 +18,7 @@ from PyPDF2 import PdfReader
 
 # Initialize the memory
 
-#memory = ConversationBufferMemory(return_messages=True, memory_key="chat_history")
+memory = ConversationBufferMemory(return_messages=True, memory_key="chat_history")
 
 
 
@@ -136,7 +136,7 @@ For document-related questions, search and retrieve information from the uploade
 For SQL database-related questions, only use the fields available in the collegedb schema, which includes tables such as buildings, classrooms, college, course, faculty, interns, person, section, student, and textbook.
 {{agent_scratchpad}}
 Question: {{input}}
-{{memory.buffer}}
+{memory.buffer}
 """