fix bug related to SanUnit.add_OPEX

QSD-Group · Oct 18, 2024 · beda378 · beda378
1 parent bcfdc1a
commit beda378
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/qsdsan/_sanunit.py b/qsdsan/_sanunit.py
@@ -634,7 +634,7 @@ def results(self, with_units=True, include_utilities=True,
         results = super().results(with_units, include_utilities,
                                   include_total_cost, include_installed_cost,
                                   include_zeros, external_utilities, key_hook)
-        if not self.add_OPEX: self.add_OPEX = {'Additional OPEX': 0}
+        if not hasattr(self, 'add_OPEX'): self.add_OPEX = {'Additional OPEX': 0}
         for k, v in self.add_OPEX.items():
             if not with_units:
                 results.loc[(k, '')] = v