Update app.py

app.py

@@ -12,7 +12,7 @@ import torch.optim as optim
 plt.rcParams.update({'pdf.fonttype': 'truetype'})
 import pickle
 pc2 = pickle.load(open('price.pkl','rb'))
-
+import streamlit as st
 st.title("Price Optimization")
 def to_tensor(x):
     return torch.from_numpy(np.array(x).astype(np.float32))