Update app.py

app.py

@@ -5,6 +5,7 @@ import pulp
 import plotly.graph_objs as go
 import plotly.express as px
 import numpy as np
+import json
 
 # Function to fetch renewable energy data
 def get_json():
@@ -12,7 +13,7 @@ def get_json():
     open data.json
     """
     with open('data.json') as f:
-    data = json.load(f)
+        data = json.load(f)
     if not data:
         return None, "No data found."
 
@@ -24,7 +25,7 @@ def get_json():
             values = energy_data['y']
             result_df[f"{energy_type} hourly capacity factor"] = values
 
-    return data
+    return result_df
 
 # 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):