code: def read(self, n, echo=None):
          
  
          d = self.channel.read(n)
          if echo or (echo is None and self.echo):
              sys.stdout.write(d.decode('latin1'))
              sys.stdout.flush()
          return d
docs: Read *n* bytes from the channel.
  
          Args:
              n(int): The number of bytes to read from the channel.
              echo(bool): Whether to write the read data to stdout.
  
          Returns:
              bytes: *n* bytes of data.
  
          Raises:
              EOFError: If the channel was closed.