Update app.py

app.py

@@ -6,6 +6,19 @@ Automatically generated by Colaboratory.
 Original file is located at
     https://colab.research.google.com/drive/1dVe0kyDXjRC5Or8m8qgqRT3VG7Waq6PQ
 """
+pip install --upgrade pip
+pip install sentence_transformers
+pip install streamlit
+
+import streamlit as st
+import numpy as np
+import numpy.linalg as la
+import pickle
+import os
+import gdown
+from sentence_transformers import SentenceTransformer
+import matplotlib.pyplot as plt
+import math
 
 ## THIS CODE BLOCK -- plotting functions & Cosine Similarity (exponential)