Return indices also if population is empty

sayan1886 · May 1, 2022 · 38a347e · 38a347e
1 parent c2a4cbd
commit 38a347e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pymoo/core/duplicate.py b/pymoo/core/duplicate.py
@@ -20,7 +20,7 @@ def do(self, pop, *args, return_indices=False, to_itself=True):
         original = pop
 
         if len(pop) == 0:
-            return pop
+            return (pop, [], []) if return_indices else pop
 
         if to_itself:
             pop = pop[~self._do(pop, None, np.full(len(pop), False))]