junrushao1994 commented on a change in pull request #6369:
URL: https://github.com/apache/incubator-tvm/pull/6369#discussion_r485829747
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File path: python/tvm/target/tag.py
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@@ -28,7 +28,9 @@ def list_tags() -> Dict[str, Target]:
tag_dict : Dict[str, Target]
The dict of tags mapping each tag name to to its corresponding target
"""
- return _ffi_api.TargetTagListTags()
+ if hasattr(_ffi_api, "TargetTagListTags"):
+ return _ffi_api.TargetTagListTags()
+ return None
Review comment:
I will go with Optional
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