Initializing the description property was completely forgotten. It also seems it may be missing sometimes, so use `get`. Also, clean values when there is no data, and correctly use the return value of `get_value_eval` in one instance.
Initializing the description property was completely forgotten. It also seems it may be missing sometimes, so use `get`. Also, clean values when there is no data, and correctly use the return value of `get_value_eval` in one instance.