CLN: making copies of targets and values (pandas-dev#35498)

alexhlim · Sep 14, 2020 · 7fcb14f · 7fcb14f
1 parent a662559
commit 7fcb14f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pandas/_libs/index.pyx b/pandas/_libs/index.pyx
@@ -278,6 +278,8 @@ cdef class IndexEngine:
         targets_mask = isnaobj(targets)
         values_mask = isnaobj(values)
         if targets_mask.any():
+            targets_copy = targets.copy()
+            values_copy = values.copy()
             targets[targets_mask] = 0
             values[values_mask] = 0