code: def refresh(self):
          '''Refresh this item from data on the server.
          Will save any unsaved data first.'''
  
          if not self._item_path:
              raise AttributeError('refresh is not available for %s' % self._type)
          if not self.id:
              raise RedmineError('%s did not come from the Redmine server - no link.' % self._type)
  
          try:
              self.save()
          except:
              pass
  
          # Mimic the Redmine_Item_Manager.get command
          target = self._item_path % self.id
          json_data = self._redmine.get(target)
          data = self._redmine.unwrap_json(self._type, json_data)
          self._update_data(data=dataf refresh(self):
          '''Refresh this item from data on the server.
          Will save any unsaved data first.'''
  
          if not self._item_path:
              raise AttributeError('refresh is not available for %s' % self._type)
          if not self.id:
              raise RedmineError('%s did not come from the Redmine server - no link.' % self._type)
  
          try:
              self.save()
          except:
              pass
  
          # Mimic the Redmine_Item_Manager.get command
          target = self._item_path % self.id
          json_data = self._redmine.get(target)
          data = self._redmine.unwrap_json(self._type, json_data)
          self._update_data(data=data)
docs: Refresh this item from data on the server.
          Will save any unsaved data first.