CdZddlmZddlmZddlmZddlZddlZejejGdde Z y)zLBase SSHTroubleshooter class for each category of ssh troubleshooting check.)absolute_import)division)unicode_literalsNceZdZdZdZdZdZdZejdZ ejdZ ejdZ dZ dZy) SshTroubleshooterzA class whose instance is a ssh troubleshooter. Test authors should subclass Troubleshooter for each troubleshooter subcategory. Nct)z;Initialize with project and instance object, and zone. NotImplementedErrorselfs r,sF S&' 3;;'' 'r