Python3 RuntimeError: cannot release un-acquired lock

当给爬虫加上多线程的时候报错，由于刚学python不久，不理解哪里出现了锁问题

/usr/local/lib/python3.5/dist-packages/gevent/monkey.py:395: RuntimeWarning: Monkey-patching not on the main thread; threading.main_thread().join() will hang from a greenlet
  _warnings)
Traceback (most recent call last):
  File "/home/codebug/software/pycharm-2016.2.3/helpers/pydev/pydevd.py", line 1580, in 
    globals = debugger.run(setup['file'], None, None, is_module)
  File "/home/codebug/software/pycharm-2016.2.3/helpers/pydev/pydevd.py", line 964, in run
    pydev_imports.execfile(file, globals, locals)  # execute the script
  File "/home/codebug/software/pycharm-2016.2.3/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile
    exec(compile(contents+"\n", file, 'exec'), glob, loc)
  File "/home/codebug/python workspace/HProxy/HProxy.py", line 3, in 
    from spider.Spider import Spider
  File "", line 969, in _find_and_load
  File "", line 171, in __exit__
  File "", line 123, in release
RuntimeError: cannot release un-acquired lock

好吧，找到问题解决方案了，自问自答了(⊙﹏⊙)b,这是个bug：

https://github.com/gevent/gev...