Toy tutorial UI fixes

flexmeasures/cli/data_add.py

@@ -996,7 +996,7 @@ def add_toy_account(kind: str, name: str):
                 )
                 # add charging sensor to battery
                 charging_sensor = Sensor(
-                    name="charging",
+                    name="discharging",
                     generic_asset=asset,
                     unit="MW",
                     timezone="Europe/Amsterdam",

flexmeasures/data/models/charts/belief_charts.py

@@ -79,7 +79,7 @@ def chart_for_multiple_sensors(
         unit = sensor.unit if sensor.unit else "a.u."
         event_value_field_definition = dict(
             title=f"{capitalize(sensor.sensor_type)} ({unit})",
-            format=[".3s", unit],
+            format=[".3~r", unit],
             formatType="quantityWithUnitFormat",
             stack=None,
             **{

flexmeasures/data/models/data_sources.py

@@ -88,9 +88,12 @@ def __str__(self):
         return self.description
 
     def to_dict(self) -> dict:
+        model_incl_version = self.model if self.model else ""
+        if self.model and self.version:
+            model_incl_version += f" ({self.version}"
         return dict(
             id=self.id,
             name=self.name,
-            model=f"{self.model} ({self.version})" if self.model else "",
+            model=model_incl_version,
             description=self.description,
         )