Traceback (most recent call last):


 "c:\users\timothy\miniconda3\envs\tf\lib\site-packages\wandb\wandb_agent.py", line 198, in _process_command

result = self._command_run(command)


 "c:\users\timothy\miniconda3\envs\tf\lib\site-packages\wandb\wandb_agent.py", line 247, in _command_run

proc = AgentProcess(command=command_list, env=env)


 "c:\users\timothy\miniconda3\envs\tf\lib\site-packages\wandb\wandb_agent.py", line 41, in __init__

env=env, preexec_fn=os.setpgrp)
AttributeError: module 'os' has no attribute 'setpgrp'`
Traceback (most recent call last):


 "/export/mmaction2/tools/train.py", line 146, in <module>

main()


 "/export/mmaction2/tools/train.py", line 142, in main

meta=meta)


 "/export/mmaction2/mmaction/apis/train.py", line 111, in train_model

runner.run(data_loaders, cfg.workflow, cfg.total_epochs)


 "/home/zhanglu/miniconda3/envs/open-mmlab/lib/python3.7/site-packages/mmcv/runner/epoch_based_runner.py", line 103, in run

self.call_hook('before_run')


 "/home/zhanglu/miniconda3/envs/open-mmlab/lib/python3.7/site-packages/mmcv/runner/base_runner.py", line 298, in call_hook

getattr(hook, fn_name)(self)


 "/home/zhanglu/miniconda3/envs/open-mmlab/lib/python3.7/site-packages/mmcv/runner/hooks/lr_updater.py", line 114, in before_run

epoch_len = len(runner.data_loader)
AttributeError: 'EpochBasedRunner' object has no attribute 'data_loader'
