Error in Evaluate.py

[bigAndSmall]

Hello, I have trained my own pth, and tried to run evaluate.py. But I got errors after feature extration. The error message is: OSError: [Errno 24] Too many open files.
The complete error:
File "Evaluate.py", line 89, in
for i, (imgs, fnames, pids, _) in enumerate(test_loader):
File "/home/huangsien/anaconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 345, in next
data = self._next_data()
File "/home/huangsien/anaconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 841, in _next_data
idx, data = self._get_data()
File "/home/huangsien/anaconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 808, in _get_data
success, data = self._try_get_data()
File "/home/huangsien/anaconda2/lib/python2.7/site-packages/torch/utils/data/dataloader.py", line 761, in _try_get_data
data = self._data_queue.get(timeout=timeout)
File "/home/huangsien/anaconda2/lib/python2.7/multiprocessing/queues.py", line 135, in get
res = self._recv()
File "/home/huangsien/anaconda2/lib/python2.7/site-packages/torch/multiprocessing/queue.py", line 22, in recv
return pickle.loads(buf)
File "/home/huangsien/anaconda2/lib/python2.7/pickle.py", line 1388, in loads
return Unpickler(file).load()
File "/home/huangsien/anaconda2/lib/python2.7/pickle.py", line 864, in load
dispatchkey
File "/home/huangsien/anaconda2/lib/python2.7/pickle.py", line 1139, in load_reduce
value = func(*args)
File "/home/huangsien/anaconda2/lib/python2.7/site-packages/torch/multiprocessing/reductions.py", line 287, in rebuild_storage_fd
fd = multiprocessing.reduction.rebuild_handle(df)
File "/home/huangsien/anaconda2/lib/python2.7/multiprocessing/reduction.py", line 155, in rebuild_handle
conn = Client(address, authkey=current_process().authkey)
File "/home/huangsien/anaconda2/lib/python2.7/multiprocessing/connection.py", line 169, in Client
c = SocketClient(address)
File "/home/huangsien/anaconda2/lib/python2.7/multiprocessing/connection.py", line 320, in SocketClient
fd = duplicate(s.fileno())
OSError: [Errno 24] Too many open files
I don't know how to solve it. Counld you please help me with this? Thanks a lot!