attempt to display two camera feeds simultaneously

eyes.py

#!/usr/bin/env python import cv2
import numpy as np
import cv2
import multiprocessing as mp

class Eye(object):
  def __init__(self, n):
    self.n = n
    self.cap = cv2.VideoCapture(self.n)

  def cam_eye(self):
    ret, frame = self.cap.read()
    cv2.imshow("{0}   camera {1}".format(mp.current_process.name, self.n),frame) 

  def close(self):
    self.cap.release()


def worker(q):
    obj = q.get()
    obj.cam_eye()


if __name__ == '__main__':
  queue = mp.Queue()
  p = mp.Process(target=worker, args=(queue,))
  p.start()
 
  queue.put(Eye(0))
  
    # Wait for the worker to finish
  queue.close()
  queue.join_thread()
  p.join()
    

stereo.py

#!/usr/bin/env python import cv2
import numpy as np
import cv2

class Eye():
  def __init__(self, n):
    self.n = n
    self.cap = cv2.VideoCapture(self.n)

  def cam_eye(self):
    ret, frame = self.cap.read()
    cv2.imshow("{0}".format(self.n),frame) 

  def close(self):
    self.cap.release()

if __name__ == "__main__":
  left =Eye(0)
  right=Eye(1)
  while(True):
    left.cam_eye()
    right.cam_eye()
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

left.close()
right.close()

Traceback (most recent call last):
File "/usr/lib/python3.5/multiprocessing/queues.py", line 241, in _feed
obj = ForkingPickler.dumps(obj)
File "/usr/lib/python3.5/multiprocessing/reduction.py", line 50, in dumps
cls(buf, protocol).dump(obj)
_pickle.PicklingError: Can't pickle <class 'cv2.VideoCapture'>: it's not the same object as cv2.VideoCapture
^X^@^CTraceback (most recent call last):
File "m.py", line 34, in
Process Process-1:
p.join()
File "/usr/lib/python3.5/multiprocessing/process.py", line 121, in join
res = self._popen.wait(timeout)
File "/usr/lib/python3.5/multiprocessing/popen_fork.py", line 51, in wait
return self.poll(os.WNOHANG if timeout == 0.0 else 0)
File "/usr/lib/python3.5/multiprocessing/popen_fork.py", line 29, in poll
pid, sts = os.waitpid(self.pid, flag)
KeyboardInterrupt