Created by: dubhex

能正常训练，但是有时候会报：

Exception in thread Thread-2 (most likely raised during interpreter shutdown):Exception in thread Thread-5 (most likely raised during interpreter shutdown):Exception in thread Thread-9 (most likely raised during interpreter shutdown):Exception in thread Thread-6 (most likely raised during interpreter shutdown):Exception in thread Thread-10 (most likely raised during interpreter shutdown):Exception in thread Thread-7 (most likely raised during interpreter shutdown):Exception in thread Thread-4 (most likely raised during interpreter shutdown): Traceback (most recent call last): Traceback (most recent call last): Exception in thread Thread-3 (most likely raised during interpreter shutdown): Traceback (most recent call last): File "/opt/python/cp27-cp27mu/lib/python2.7/threading.py", line 801, in __bootstrap_inner File "/opt/python/cp27-cp27mu/lib/python2.7/threading.py", line 754, in run File "/opt/python/cp27-cp27mu/lib/python2.7/threading.py", line 801, in __bootstrap_innerTraceback (most recent call last):Traceback (most recent call last):Traceback (most recent call last):

请问这是怎么回事，如何解决？