Update app/main.py

app/main.py

@@ -5,6 +5,11 @@ import sys
 import numpy as np
 import plotly.graph_objects as go
 from sklearn.linear_model import LinearRegression
+import nltk
+from nltk.corpus import stopwords
+from nltk.tokenize import word_tokenize, sent_tokenize
+nltk.download('punkt_tab')
+nltk.download('stopwords')
 
 # Add the parent directory to the Python path
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))