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[Fix] fix data race risk of cache_randomness #2927

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merged 3 commits into from
Sep 7, 2023
Merged

[Fix] fix data race risk of cache_randomness #2927

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c66a2f0
bugfix #2926
HarborYuan Sep 7, 2023
021afc9
deepcopy -> copy
HarborYuan Sep 7, 2023
6f7a871
Update mmcv/transforms/utils.py
ly015 Sep 7, 2023
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3 changes: 2 additions & 1 deletion mmcv/transforms/utils.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
# Copyright (c) OpenMMLab. All rights reserved.

import copy
import functools
import inspect
import weakref
Expand Down Expand Up @@ -80,7 +81,7 @@ def __call__(self, *args, **kwargs):

def __get__(self, obj, cls):
self.instance_ref = weakref.ref(obj)
return self
return copy.deepcopy(self)
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Suggested change
return copy.deepcopy(self)
return copy.copy(self)

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Done. Thanks for your suggestion.



def avoid_cache_randomness(cls):
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