ImportError: невозможно импортировать имя '_psutil_osx' из частично инициализированного модуля 'psutil

Question

Ошибка возникает при выполнении файла скрипта python.

версия Python - 2.7.10

Traceback (most recent call last):
  File "/Users/zl96/Sites/mobileSMSPythonv2/mobileSMS/mobileSMSlocal.py", line 17, in <module>
    import psutil   #to get process memory usage
  File "/Users/zl96/Sites/mobileSMSPythonv2/mobileSMS/psutil/__init__.py", line 151, in <module>
    from . import _psosx as _psplatform
  File "/Users/zl96/Sites/mobileSMSPythonv2/mobileSMS/psutil/_psosx.py", line 16, in <module>
    from . import _psutil_osx as cext
ImportError: cannot import name '_psutil_osx' from partially initialized module 'psutil' (most likely due to a circular import)