!49957 fix bug: tuple_slice when start, stop, step are unknown

Merge pull request !49957 from Yanzhi_YI/master
2023-03-08 08:59:32 +00:00 · 2023-03-08 08:59:32 +00:00 · 47e14294dd
parent 960f5efffe e1c752b7cb
commit 47e14294dd
1 changed files with 6 additions and 0 deletions
--- a/mindspore/python/mindspore/ops/composite/multitype_ops/getitem_impl.py
+++ b/mindspore/python/mindspore/ops/composite/multitype_ops/getitem_impl.py
@ -137,6 +137,12 @@ def _tuple_getitem_by_slice(data, slice_index):
        start = slice_getitem(slice_index, "start")
        stop = slice_getitem(slice_index, "stop")
        step = slice_getitem(slice_index, "step")
+        if start is None:
+            start = 0
+        if step is None:
+            step = 1
+        if stop is None:
+            stop = (2**31-1) if step >= 1 else 0
        return sequence_slice(data, start, stop, step)
    return _tuple_slice(data, slice_index)