code: def formatException(self, ei):
          '''Indent traceback info for better readability'''
          out = super(CliFormatter, self).formatException(ei)
          return b'│' + format_multiline(outf formatException(self, ei):
          '''Indent traceback info for better readability'''
          out = super(CliFormatter, self).formatException(ei)
          return b'│' + format_multiline(out)
docs: Indent traceback info for better readability