Update app.py

app.py

@@ -1,5 +1,5 @@
 import streamlit as st
-#from fhir.resources.observation import Observation
+from fhir.resources.observation import Observation
 from datetime import datetime
 import requests
 import json
@@ -52,4 +52,5 @@ def app():
 if st.button("Record Exercise"):
     observation = create_observation_resource(activity, category, calories, duration, distance, heart_rate)
     create_observation(observation)
-    
+
+app()