Klever

This results in probably bad consequences:

Process Process-1:
Traceback (most recent call last):
  File "/home/novikov/work/klever/scheduler/utils/__init__.py", line 226, in dir_size
    res = int(output)
ValueError: invalid literal for int() with base 10: "du: cannot access './klever-core-work-dir/tests/linux/kernel/locking/rwlock/49f1439/linux-kernel-locking-rwlock/lkbce/include/linux/preempt.h.lock': No such file or directory\n147676706" 

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/novikov/.pyenv/versions/3.6.1/lib/python3.6/multiprocessing/process.py", line 249, in _bootstrap
    self.run()
  File "/home/novikov/.pyenv/versions/3.6.1/lib/python3.6/multiprocessing/process.py", line 93, in run
    self._target(*self._args, **self._kwargs)
  File "/home/novikov/work/klever/scheduler/utils/__init__.py", line 299, in disk_controller
    size = dir_size("./")
  File "/home/novikov/work/klever/scheduler/utils/__init__.py", line 230, in dir_size
    if len(splts < 2):
TypeError: '<' not supported between instances of 'list' and 'int'