Update app.py

app.py

@@ -24,9 +24,9 @@ def calculate_reorder_point(avg_demand, lead_time_mean, safety_stock):
     return (avg_demand * lead_time_mean) + safety_stock
 def simulate_real_time_data(data, interval=5):
     for i in range(interval):
-        new_demand = np.random.randint(50, 100)  # Simulated demand
-        new_row = {'Product Name': f'Product {i+1}', 'Demand': new_demand}
-        data = data.append(new_row, ignore_index=True)
+        new_demand = np.random.randint(50, 100)  
+        new_row = pd.DataFrame{'Product Name': f'Product {i+1}', 'Demand': new_demand}
+        data = pd.concat([data, new_row], ignore_index=True)
     return data
 st.sidebar.header("Inventory Parameters")
 z_score = st.sidebar.slider("Z-Score (Service Level)", 1.0, 3.0, 1.645)