我正在尝试使用VW Hyperopt https://github.com/VowpalWabbit/vowpal_wabbit/blob/master/utl/vw-hyperopt.py查找我的VW模型的超参数
但是在安装所有必需的软件包之后，我仍然收到此错误：
2018-12-06 13:41:03,991 INFO [hyperopt.fmin/fmin:139]: job exception: [Errno 2] No such file or directory
Traceback (most recent call last):
File "./vw-hyperopt.py", line 378, in <module>
main()
File "./vw-hyperopt.py", line 372, in main
h.hyperopt_search()
File "./vw-hyperopt.py", line 320, in hyperopt_search
best_params = fmin(objective, space=self.space, trials=self.trials, algo=algo, max_evals=self.max_evals)
File "/usr/local/lib/python2.7/dist-packages/hyperopt/fmin.py", line 367, in fmin
return_argmin=return_argmin,
File "/usr/local/lib/python2.7/dist-packages/hyperopt/base.py", line 635, in fmin
return_argmin=return_argmin)
File "/usr/local/lib/python2.7/dist-packages/hyperopt/fmin.py", line 385, in fmin
rval.exhaust()
File "/usr/local/lib/python2.7/dist-packages/hyperopt/fmin.py", line 244, in exhaust
self.run(self.max_evals - n_done, block_until_done=self.asynchronous)
File "/usr/local/lib/python2.7/dist-packages/hyperopt/fmin.py", line 218, in run
self.serial_evaluate()
File "/usr/local/lib/python2.7/dist-packages/hyperopt/fmin.py", line 137, in serial_evaluate
result = self.domain.evaluate(spec, ctrl)
File "/usr/local/lib/python2.7/dist-packages/hyperopt/base.py", line 840, in evaluate
rval = self.fn(pyll_rval)
File "./vw-hyperopt.py", line 294, in objective
self.fit_vw()
File "./vw-hyperopt.py", line 234, in fit_vw
subprocess.call(shlex.split(self.train_command))
File "/usr/lib/python2.7/subprocess.py", line 168, in call
return Popen(*popenargs, **kwargs).wait()
File "/usr/lib/python2.7/subprocess.py", line 390, in __init__
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1024, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
任何消除该错误的方法都会非常有帮助。我正在使用Python2