adding float conversion

app.py

@@ -133,7 +133,7 @@ st.markdown('##### These are the emissions produced by generating the electricit
 with st.expander("Calculate the datacenter emissions of your model"):
     st.info('A proxy often used to reflect idle emissions is PUE (Power Usage Effectiveness), which represents '
                 ' the ratio of energy used for computing overheads like cooling, which varies depending on the data center.')
-    pue = instances['PUE'][(instances['provider'] == provider.lower()) & (instances['region'] == region)].tolist()[0]
+    pue = float(instances['PUE'][(instances['provider'] == provider.lower()) & (instances['region'] == region)].tolist()[0])
     source = instances['PUE source'][(instances['provider'] == provider.lower()) & (instances['region'] == region)].tolist()[0]
     if math.isnan(pue) == True:
         if provider != 'Local/Private Infastructure':