code: def cmd(self):
          
          cmd = self.attrs["cmd"]
          if isinstance(cmd, numpy.ndarray):
              cmd = cmd[-1]
          return cmd
docs: Returns the (last) saved command line.
  
          If the file was created from a run that resumed from a checkpoint, only
          the last command line used is returned.
  
          Returns
          -------
          cmd : string
              The command line that created this InferenceFile.