error happened with msg: 'FCENetTargets' object has no attribute 'vector_slope'

[qqqqq127]

error happened with msg: 'FCENetTargets' object has no attribute 'vector_slope'
[2022/04/12 16:11:20] root ERROR: When parsing line SXB_train/img_370.jpg [{"transcription": "主料（非纤维物质除外
）", "points": [[187, 188], [409, 183], [409, 215], [188, 220]], "difficult": false}, {"transcription": "100%聚酯纤维", "points": [[184, 218], [350, 212], [351, 238], [185, 244]], "difficult": false}, {"transcription": "里料：100%聚酯纤维", "points": [[177, 246], [411, 240], [412, 276], [178, 282]], "difficult": false}, {"transcription": "填充物：灰鸭绒", "p oints": [[179, 289], [332, 281], [333, 314], [181, 322]], "difficult": false}, {"transcription": "充绒量：107g", "points ": [[180, 323], [324, 318], [325, 356], [181, 360]], "difficult": false}, {"transcription": "合绒量：80%", "points": [[1 83, 366], [319, 358], [321, 391], [185, 399]], "difficult": false}, {"transcription": "SHELL(COATING", "points": [[184, 400], [394, 394], [395, 426], [185, 432]], "difficult": false}, {"transcription": "EXCLUDED):", "points": [[185, 436], [ 346, 436], [346, 468], [185, 468]], "difficult": false}, {"transcription": "100%POLYESTER", "points": [[187, 474], [418, 469], [418, 501], [187, 506]], "difficult": false}, {"transcription": "LINING:", "points": [[188, 512], [284, 512], [28 4, 540], [188, 540]], "difficult": false}, {"transcription": "100%POLYESTER", "points": [[189, 547], [420, 541], [421, 5 73], [190, 579]], "difficult": false}, {"transcription": "PADDING:", "points": [[191, 583], [319, 580], [320, 612], [191 , 615]], "difficult": false}, {"transcription": "GREY DUCK DOWN", "points": [[192, 619], [436, 612], [437, 642], [193, 6 50]], "difficult": false}, {"transcription": "WEIGHT OF DOWN:107g", "points": [[193, 652], [500, 645], [501, 677], [194, 684]], "difficult": false}, {"transcription": "PERCENTAGE OF DOWN", "points": [[193, 690], [507, 678], [508, 709], [194 , 720]], "difficult": false}, {"transcription": "80%", "points": [[195, 721], [252, 725], [250, 754], [193, 750]], "diff icult": false}]^M
206 , error happened with msg: 'FCENetTargets' object has no attribute 'vector_slope'

[qqqqq127]

求助，这是什么问题啊