Fix anyoptimization#353: AttributeError: 'numpy.int64' object has no …

…attribute 'get'
Hanyu666 · Jan 31, 2023 · 41c7fa9 · 41c7fa9
1 parent b55e53a
commit 41c7fa9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pymoo/core/selection.py b/pymoo/core/selection.py
@@ -49,7 +49,7 @@ def do(self, problem, pop, n_select, n_parents, to_pop=True, **kwargs):
         ret = self._do(problem, pop, n_select, n_parents, **kwargs)
 
         # if some selections return indices they are used to create the individual list
-        if to_pop and isinstance(ret, np.ndarray) and ret.dtype == int:
+        if to_pop and isinstance(ret, np.ndarray) and np.issubdtype(ret.dtype, np.integer):
             ret = pop[ret]
 
         return ret