Update app.py

app.py

@@ -1,7 +1,7 @@
 import streamlit as st
 from sklearn import neighbors, datasets
 
-with st.form(key='my_form');
+with st.form(key='my_form'):
   sLen = st.slider('sepal lenght(cm)', 0.0, 10.0)
   sWid = st.slider('sepal width(cm)', 0.0, 10.0)
   pLen = st.slider('petal lenght(cm)', 0.0, 10.0)