Upload 2 files

app.py

@@ -5,9 +5,6 @@ from evaluation import calculate_metrics
 from data_processing import load_recent_questions, save_recent_question
 import time
 import matplotlib.pyplot as plt
-import nltk
-
-nltk.download('punkt')
 
 # Page Title
 st.title("RAG7 - Real World RAG System")

retrieval.py

@@ -5,10 +5,14 @@ import faiss
 from rank_bm25 import BM25Okapi
 from data_processing import embedding_model
 from sentence_transformers import CrossEncoder
-from nltk.tokenize import word_tokenize
 import string
 import nltk
 
+import nltk
+nltk.download('punkt')  
+
+from nltk.tokenize import word_tokenize
+
 reranker = CrossEncoder("cross-encoder/ms-marco-MiniLM-L-6-v2")
 
 retrieved_docs = None