Update app.py

app.py

@@ -1,6 +1,12 @@
 import os
 os.environ["STREAMLIT_NO_ALT"] = "true"
 
+# Install necessary packages
+import subprocess
+subprocess.call(["pip", "install", "textblob"])
+subprocess.call(["pip", "install", "vadersentiment"])
+subprocess.call(["pip", "install", "flair"])
+
 import streamlit as st
 from textblob import TextBlob
 from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer