voxel51/fiftyone
[BUG] ReferenceError: weakly-referenced object no longer exists
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#2 738 ouverte le 7 mars 2023
bugcoregood first issue
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- (Merge moyen 3j 11h) (161 PRs mergées en 30 j)
Description
Here's a perplexing mongoengine-related error:
import fiftyone as fo
import fiftyone.zoo as foz
dataset = foz.load_zoo_dataset("quickstart")
# this fails
dataset.first()["tags"].append("tag")
# but this works
sample = dataset.first()
sample["tags"].append("tag")
ReferenceError Traceback (most recent call last)
<ipython-input-2-846545a97f03> in <module>
----> 1 dataset.first()['tags'].append('tag')
~/dev/env/fo/lib/python3.9/site-packages/mongoengine/base/datastructures.py in wrapper(self, *args, **kwargs)
21 # Can't use super() in the decorator.
22 result = parent_method(self, *args, **kwargs)
---> 23 self._mark_as_changed()
24 return result
25
~/dev/env/fo/lib/python3.9/site-packages/mongoengine/base/datastructures.py in _mark_as_changed(self, key)
179
180 def _mark_as_changed(self, key=None):
--> 181 if hasattr(self._instance, "_mark_as_changed"):
182 if key is not None:
183 self._instance._mark_as_changed(f"{self._name}.{key % len(self)}")
ReferenceError: weakly-referenced object no longer exists