old_contents: import base
  
  class Admin(base.BaseV21):
  
      @property
      def administrator(self):
          return self.Administrator(self.client)
  
      class Administrator(base.BaseV21):
  
          def all(self, **kwargs):
              return self._get('system.admin.administrator.getAll', **kwargs)
  
          def get(self, name, **kwargs):
              params = {"admin_name": name}
              return self._post('system.admin.administrator.search', params, **kwargs)
  
          def create(self, name, **kwargs):
              params = {
                  "administrator": {
                      "admin_name": name
                  }
              }
  
              return self._post('system.admin.administrator.create', params, **kwargs)
  
          def update(self, name, **kwargs):
              params = {
                  "administrator": {
                      "admin_name": name
                  }
              }
  
              return self._post('system.admin.administrator.update', params, **kwargs)
  
  
          def delete(self, name, **kwargs):
              params = {"admin_name": name }
              return self._post('system.admin.administrator.delete', params, **kwargs)
  
          def all_delete(self, **kwargs):
              return self._post('system.admin.administrator.deleteAll', **kwargs)
  
  
new_contents: import base
  
  
  class Admin(base.BaseV21):
  
      @property
      def administrator(self):
          return self.Administrator(self.client)
  
      class Administrator(base.BaseV21):
  
          def all(self, **kwargs):
              return self._get('system.admin.administrator.getAll', **kwargs)
  
          def get(self, name, **kwargs):
              params = {"admin_name": name}
              return self._post('system.admin.administrator.search', params, **kwargs)
  
          def create(self, name, **kwargs):
              params = {
                  "administrator": {
                      "admin_name": name
                  }
              }
  
              return self._post('system.admin.administrator.create', params, **kwargs)
  
          def update(self, name, **kwargs):
              params = {
                  "administrator": {
                      "admin_name": name
                  }
              }
  
              return self._post('system.admin.administrator.update', params, **kwargs)
  
  
          def delete(self, name, **kwargs):
              params = {"admin_name": name}
              return self._post('system.admin.administrator.delete', params, **kwargs)
  
          def all_delete(self, **kwargs):
              return self._post('system.admin.administrator.deleteAll', **kwargs)
  
  
subject: fix pep8 errors