[Bug] The 'ValueError: Unknown internal frame' error at dump annotations.

[DmitriyOparin]

My actions before raising this issue

• Read/searched the docs
• Searched past issues

Expected Behaviour

Annotations was downloaded.
Error message is not present.

Current Behaviour

Annotations was not downloaded.
The 'ValueError: Unknown internal frame' error message is present.

Possible Solution

Fix the bug.

Steps to Reproduce (for bugs)

1. Create task with parametrs:
   • select 10 images
   • set Overlap size = 3
   • set Segment size = 6
2. Create rectangle (track) annotation in penultimate job
3. Dump CVAT for images 1.1 annotations

Context

Your Environment

• Git hash commit (git log -1): e382313
• Docker version docker version (e.g. Docker 17.0.05): N/A
• Are you using Docker Swarm or Kubernetes? No
• Operating System and version (e.g. Linux, Windows, MacOS): Ubuntu 20.04
• Code example or link to GitHub repo or gist to reproduce problem:
• Other diagnostic information / logs:
  Logs from `cvat` container

Traceback (most recent call last):
File "/home/diman/.local/lib/python3.8/site-packages/rq/worker.py", line 936, in perform_job
rv = job.perform()
File "/home/diman/.local/lib/python3.8/site-packages/rq/job.py", line 684, in perform
self._result = self._execute()
File "/home/diman/.local/lib/python3.8/site-packages/rq/job.py", line 690, in _execute
return self.func(*self.args, **self.kwargs)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/views.py", line 87, in export_task_annotations
return export_task(task_id, dst_format, server_url=server_url, save_images=False)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/views.py", line 61, in export_task
task.export_task(task_id, temp_file, dst_format,
File "/home/diman/git/cvat/cvat/apps/dataset_manager/task.py", line 749, in export_task
task.export(f, exporter, host=server_url, save_images=save_images)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/task.py", line 631, in export
exporter(dst_file, task_data, **options)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/formats/registry.py", line 37, in call
f_or_cls(*args, **kwargs)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/formats/cvat.py", line 559, in _export_images
_export(dst_file, task_data,
File "/home/diman/git/cvat/cvat/apps/dataset_manager/formats/cvat.py", line 531, in _export
anno_callback(f, task_data)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/formats/cvat.py", line 179, in dump_as_cvat_annotation
for frame_annotation in annotations.group_by_frame(include_empty=True):
File "/home/diman/git/cvat/cvat/apps/dataset_manager/bindings.py", line 273, in group_by_frame
exported_shape = self._export_tracked_shape(shape)
File "/home/diman/git/cvat/cvat/apps/dataset_manager/bindings.py", line 211, in _export_tracked_shape
frame=self.abs_frame_id(shape["frame"]),
File "/home/diman/git/cvat/cvat/apps/dataset_manager/bindings.py", line 106, in abs_frame_id
raise ValueError("Unknown internal frame id %s" % relative_id)
ValueError: Unknown internal frame id 10

Next steps

You may join our Gitter channel for community support.

[nmanovic]

@zhiltsov-max , could you please look at the issue?