code: def session_preparation(self):
          
          delay_factor = self.select_delay_factor(delay_factor=0)
          output = ""
          count = 1
          while count <= 30:
              output += self.read_channel()
              if "any key to continue" in output:
                  self.write_channel(self.RETURN)
                  break
              else:
                  time.sleep(0.33 * delay_factor)
              count += 1
  
          # Try one last time to past "Press any key to continue
          self.write_channel(self.RETURN)
  
          # HP output contains VT100 escape codes
          self.ansi_escape_codes = True
  
          self._test_channel_read(pattern=r"[>#]")
          self.set_base_prompt()
          command = self.RETURN + "no page"
          self.disable_paging(command=command)
          self.set_terminal_width(command="terminal width 511")
          # 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.
          Procurve uses - 'Press any key to continue'