Traceback (most recent call last):


 "/Users/igortkachenko/Tools/kivy-designer/venv/lib/python3.6/site-packages/kivy/uix/widget.py", line 265, in _widget_destructor


 "/Users/igortkachenko/Tools/kivy-designer/venv/lib/python3.6/site-packages/kivy/lang/builder.py", line 760, in unbind_widget


 "kivy/weakproxy.pyx", line 30, in kivy.weakproxy.WeakProxy.__getattr__
AttributeError: 'weakref' object has no attribute 'cline_in_traceback'

Traceback (most recent call last):


 "train.py", line 333, in <module>

main()


 "train.py", line 329, in main

main_worker(args.gpu, ngpus_per_node, args)


 "train.py", line 274, in main_worker

train(train_loader, model, scheduler, optimizer, epoch, args)


 "train.py", line 101, in train

model.module.is_training = True


 "/home/zxzn/.conda/envs/effdet/lib/python3.7/site-packages/torch/nn/modules/module.py", line 585, in __getattr__

type(self).__name__, name))
AttributeError: 'EfficientDet' object has no attribute 'module'
