Another workaround attempt for py39 on windows (previous workaround attempt failed - https://github.com/softwareengineerprogrammer/GEOPHIRES/actions/runs/15422551915/job/43401255570)

Author: softwareengineerprogrammer

src/geophires_x/EconomicsSam.py

@@ -219,9 +219,9 @@ def _calculate_nominal_discount_rate_and_wacc(model: Model, single_owner: Single
 
 def _calculate_moic(cash_flow: list[list[Any]], model) -> float | None:
     try:
-        total_capital_invested_USD = Decimal(_cash_flow_profile_row(cash_flow, 'Issuance of equity ($)')[0])
-        total_value_received_from_investment_USD = Decimal(
-            float(np.sum(_cash_flow_profile_row(cash_flow, 'Total pre-tax returns ($)')))
+        total_capital_invested_USD: Decimal = Decimal(_cash_flow_profile_row(cash_flow, 'Issuance of equity ($)')[0])
+        total_value_received_from_investment_USD: Decimal = sum(
+            [Decimal(it) for it in _cash_flow_profile_row(cash_flow, 'Total pre-tax returns ($)')]
         )
         return float(total_value_received_from_investment_USD / total_capital_invested_USD)
     except Exception as e: