From 0207d569e0f47d2dfca3001143f149343db78c5f Mon Sep 17 00:00:00 2001
From: "Joshua J. Cogliati" <joshua-cogliati-inl@users.noreply.github.com>
Date: Fri, 13 Sep 2024 10:42:08 -0600
Subject: [PATCH] Numpy array needs dtype=object to have pyomo scalars in it.
 (#90)

---
 src/CashFlows.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/CashFlows.py b/src/CashFlows.py
index 3e8d2614e..683d8c627 100644
--- a/src/CashFlows.py
+++ b/src/CashFlows.py
@@ -1086,7 +1086,9 @@ def extendParameters(self, toExtend, t):
           # the else is for any object type data. if other types require distinction, add new 'elif'
           listArray = [0]*t
           listArray[0] = value
-          toExtend[name] = np.array(listArray)
+          #value is sometimes a pyomo.core.base.var.ScalarVar which requires
+          # dtype=object
+          toExtend[name] = np.array(listArray,dtype=object)
     return toExtend
 
   def calculateCashflow(self, variables, lifetimeCashflows, lifetime, verbosity):