Update app.py

app.py

@@ -305,12 +305,12 @@ def calculate_roi(inputs):
     total_hours_saved = num_employees * hours_saved_per_week * 52
     labor_cost_savings = total_hours_saved * hourly_wage
 
-    # Compliance savings
+    # Compliance savings - ensure numeric types
     compliance_savings = sum(
-        row["Expected Violations"] * (row["Penalty"] + row["Attorney Cost"])
+        float(row["Expected Violations"]) * (float(row["Penalty"]) + float(row["Attorney Cost"]))
         for _, row in compliance_data.iterrows()
     )
-
+    
     # Total benefits
     total_benefits = labor_cost_savings + revenue_increase + compliance_savings