Update app.py

app.py

@@ -20,10 +20,9 @@ def get_data():
         data = response.json()
         
         if 'data' in data:
-            keys = data['data'][0].keys()
-            st.write(keys)  # Print out the keys in the first data point
-            
             try:
+                keys = data['data'][0].keys()
+                st.write(keys)  # Print out the keys in the data
                 df = pd.DataFrame(data['data'])
                 # Adjust the key based on the actual keys in the data dictionary
                 timestamp_key = 'time' if 'time' in keys else 'open_time'