NameError: global name 'logger' is not defined

[ch3njust1n]

Process Process-3:
Traceback (most recent call last):
File "/home/ubuntu/anaconda2/envs/smpl/lib/python2.7/multiprocessing/process.py", line 267, in _bootstrap
self.run()
File "/home/ubuntu/anaconda2/envs/smpl/lib/python2.7/multiprocessing/process.py", line 114, in run
self._target(*self._args, **self._kwargs)
File "/home/ubuntu/smpl/distributed/parameter_server.py", line 272, in train_hyperedge
self.train(sess_id)
File "/home/ubuntu/smpl/distributed/parameter_server.py", line 322, in train
p = Process(target=Train(conf).train)
File "/home/ubuntu/smpl/distributed/train.py", line 36, in init
super(Train, self).init(*config)
File "/home/ubuntu/smpl/distributed/trainer.py", line 129, in init
shuffle, seed)
File "/home/ubuntu/smpl/distributed/trainer.py", line 114, in init
super(DistributedTrainer, self).init(batch_size, cuda, data, drop_last, logger,
NameError: global name 'logger' is not defined