turn into float

app.py

@@ -93,7 +93,7 @@ def predict(
     # generate map
     plot = filter_map(output["predicted_uhi_index"], longitude, latitude)
 
-    return output["predicted_uhi_index"] , output["uhi_status"], output["feature_contributions"], plot
+    return float(output["predicted_uhi_index"]) , output["uhi_status"], output["feature_contributions"], plot
 
 def load_examples(csv_file):
     '''