AttributeError: 'ParameterServer' object has no attribute 'pc'

[ch3njust1n]

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 183, in __receive
    self.pc.remove('{}:{}'.format(addr[0], addr[1]))
AttributeError: 'ParameterServer' object has no attribute 'pc'

[ch3njust1n]

When a process is created, are the constructor attributes not carried over? Why does this issue not occur with self.cache?

Process Process-1:1:
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 395, in __train
    self.__allreduce(sess_id, multistep, share[sess_id]['train_size'], log)
  File "/home/ubuntu/smpl/distributed/parameter_server.py", line 427, in __allreduce
    Thread(target=self.pc.send,
AttributeError: 'ParameterServer' object has no attribute 'pc'

[ch3njust1n]

Fixed by instantiating self.pc before ps.listen() so that pc is added to ParameterServer attributes and so part of copied memory in new processes