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 314, in __train_hyperedge
sess_id = self.__init_session(log=log, log_path=log_path)
File "/home/ubuntu/smpl/distributed/parameter_server.py", line 588, in __init_session
peers = sorted(peers, key=lambda x: x['accuracy'], reverse=True)
File "/home/ubuntu/smpl/distributed/parameter_server.py", line 588, in <lambda>
peers = sorted(peers, key=lambda x: x['accuracy'], reverse=True)
TypeError: string indices must be integers, not str