code: def __init__(self, cmd, returncode, output=None):
      super().__init__(cmd, returncode, output)
      self.cmd_args, self.cmd_cwd, self.cmd_env = cmd
      self.returncode = returncode
      self.output = output
  
imports: import os
  import subprocess
  import sys
label_desc: Use image node_id 1 to create a new RunError object from inherited base classes: Exception with example: obj = RunError(cmd, returncode, output)