code: async def mark_fixed(self, *, comment: str = None):
          
          params = {
              "system_id": self.system_id
          }
          if comment:
              params["comment"] = comment
          self._data = await self._handler.mark_fixed(**params)
          return self
docs: Mark fixes.
  
          :param comment: Reason machine is fixed.
          :type comment: `str`