add new attribute with biosteam update

QSD-Group · Dec 10, 2024 · 3f40a30 · 3f40a30
1 parent ccb7314
commit 3f40a30
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/qsdsan/_sanunit.py b/qsdsan/_sanunit.py
@@ -217,6 +217,7 @@ def __init__(self, ID='', ins=None, outs=(), thermo=None, init_with='WasteStream
             self._assert_compatible_property_package()
 
         self._utility_cost = None
+        self._recycle_system = None
 
         ##### qsdsan-specific #####
         for i in (*construction, *transportation, *equipment):