Update app.py

app.py

@@ -7,9 +7,7 @@ from langchain_core.runnables import RunnablePassthrough
 from langchain_text_splitters import RecursiveCharacterTextSplitter
 from sentence_transformers import SentenceTransformer
 import torch
-import PyPDF2
 
-# ... rest of the code remains the same ...
 
 # Define the embedding class
 class SentenceTransformerEmbedding:
@@ -55,7 +53,7 @@ def initialize_chroma(splits):
         rag_chain = (
             {"context": retriever | format_docs, "question": RunnablePassthrough()}
             | prompt
-            | llm  # Replace `llm` with an appropriate language model
+            | llm
             | StrOutputParser()
         )
         return rag_chain