code: def resize(self, size=None):
          
  
          if not self.israw():
              return
  
          size = size or tty.size(self.stdout)
  
          if size is not None:
              rows, cols = size
              try:
                  self.client.resize(self.container, height=rows, width=cols)
              except IOError: # Container already exited
                  pass
docs: Resize the container's PTY.
  
          If `size` is not None, it must be a tuple of (height,width), otherwise
          it will be determined by the size of the current TTY.