Update app.py

app.py

@@ -29,7 +29,7 @@ def get_json():
 
 # Function to optimize the energy system and create visualizations
 def optimize_energy_system(solar_cost, onshore_wind_cost, offshore_wind_cost, river_cost, battery_cost, yearly_demand, solar_range, wind_range, river_range, offshore_wind_range):
-    data, error = get_json()
+    data = get_json()
 
     for col in data.columns[1:]:
         data[col] = pd.to_numeric(data[col], errors='coerce')