code: def session_preparation(self):
          
          delay_factor = self.select_delay_factor(delay_factor=0)
          i = 1
          while i <= 4:
              # Comware can have a banner that prompts you to continue
              # 'Press Y or ENTER to continue, N to exit.'
              time.sleep(0.5 * delay_factor)
              self.write_channel("\n")
              i += 1
  
          time.sleep(0.3 * delay_factor)
          self.clear_buffer()
          self._test_channel_read(pattern=r"[>\]]")
          self.set_base_prompt()
          command = self.RETURN + "screen-length disable"
          self.disable_paging(command=command)
          # Clear the read buffer
          time.sleep(0.3 * self.global_delay_factor)
          self.clear_buffer()
docs: Prepare the session after the connection has been established.
          Extra time to read HP banners.