@ -1188,8 +1188,8 @@ class OptimumCostModel:
predicted_costs = self._calculate_costs_vectorized(
reliabilities=reliabilities,
preventive_cost=preventive_cost_per_equipment,
failure_replacement_cost=cost_per_failure
failute_rate=failure_rate
failure_replacement_cost=cost_per_failure,
failure_rate=failure_rate
)
if not predicted_costs: