Ever-Kid opened a new pull request, #13744:
URL: https://github.com/apache/tvm/pull/13744
I came across this bug under python3.8.0 with error from `typing.get_args()`
while trying to run testcases like
`tests/python/unittest/test_tir_schedule_set_axis_separator.py::test_set_axis_separator[transform_layout_named]`
```
> if get_origin(tp) is collections.abc.Callable and res[0] is not
Ellipsis:
E IndexError: tuple index out of range
```
And the root cause here is a difference between python3.8.0 and later
version:
```diff
get_args(Callable[[], T][int]) == ([], int)
"""
- if isinstance(tp, _GenericAlias): // python3.8.0
+ if isinstance(tp, _GenericAlias) and not tp._special: // python3.8.15
res = tp.__args__
if get_origin(tp) is collections.abc.Callable and res[0] is not
Ellipsis:
}
```
So I added it back to `python/tvm/tir/schedule/_type_checker.py`
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