Update np.random in WCA

thieu1995 · Nov 5, 2023 · 6e5c8db · 6e5c8db
1 parent c9f1098
commit 6e5c8db
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mealpy/system_based/WCA.py b/mealpy/system_based/WCA.py
@@ -90,7 +90,7 @@ def initialization(self):
         idx_already_selected = []
         for i in range(0, self.nsr - 1):
             streams[i] = []
-            idx_list = np.random.choice(list(set(range(0, n_stream)) - set(idx_already_selected)), num_child_in_river_list[i], replace=False).tolist()
+            idx_list = self.generator.choice(list(set(range(0, n_stream)) - set(idx_already_selected)), num_child_in_river_list[i], replace=False).tolist()
             idx_already_selected += idx_list
             for idx in idx_list:
                 streams[i].append(self.pop_stream[idx])