Updated README

README.md

@@ -21,11 +21,11 @@ pip install simstadt
 ```python
 from simstadt import heatdemand_simulation, photovoltaic_simulation, greenwater_simulation, clean_old_workflows
 
-results = heatdemand_simulation("path/to/city.gml", "Wuerzburg-hour.csv")
+results = heatdemand_simulation("path/to/city.gml")
 print(results.dataframe)
 print(results.kpis)
 
-pv = photovoltaic_simulation("path/to/city.gml", "Wuerzburg-hour.csv")
+pv = photovoltaic_simulation("path/to/city.gml")
 print(pv.dataframe)
 
 gw = greenwater_simulation("path/to/city.gml", "Wuerzburg-hour.csv", irrigation_ratio=0.5)