Fixed U-NSGA-III Verbose=True error anyoptimization#432

Hanyu666 · Jun 12, 2023 · 695cb26 · 695cb26
1 parent 566a3d7
commit 695cb26
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/pymoo/algorithms/moo/nsga3.py b/pymoo/algorithms/moo/nsga3.py
@@ -112,7 +112,8 @@ def _set_optimum(self, **kwargs):
         if not has_feasible(self.pop):
             self.opt = self.pop[[np.argmin(self.pop.get("CV"))]]
         else:
-            self.opt = self.survival.opt
+            if len(self.survival.opt):
+                self.opt = self.survival.opt
 
 
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