Video export_v2 with interpolated_frames=True does not export interpolated frames

Python SDK
1

Hi,
With Label Box Python library (version 3.44.0), I cannot find interpolated frames in the export_v2 results of labeled videos with boundary boxes (with “interpolated_frames”: True).

import labelbox
client = labelbox.Client(api_key = LB_API_KEY)
project = client.get_project(PROJECT_ID)
export_params= {
    "attachments": True,
    "metadata_fields": True,
    "data_row_details": True,
    "project_details": True,
    "label_details": True,
    "interpolated_frames": True,
    "performance_details": True
}
export_task = project.export_v2(params={
        "data_row_details": True,
        "metadata_fields": True,
        "attachments": True,
        "project_details": True,
        "performance_details": True,
        "label_details": True,
        "interpolated_frames": True
    })
export_task.wait_till_done()		
if export_task.errors:			
        print(export_task.errors)	
export_json = export_task.result

The frame object does not even have the keyframe (TRUE/FALSE) parameter. Please let me know if I missed something here.

Furthermore, when upgrading to labelbox version 3.50.0, I have the following error for most videos :

{‘error’: ‘DataIntegrityException’, ‘message’: “Error exporting data row clinhbi2v2de… because ‘Logger’ object has no attribute ‘warn’ for the task cll5if47408r…”}

However, by using the deprecated project.label_generator() method, it seems the interpolated frames are present in the output.

Please let me know what is the recommended way to export interpolated boundary boxes frames from videos.

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