code: def load_from_packet_string(self, packet_string):
      len_header = struct.unpack("i", packet_string[:3] + b"\x00")[0]
      count_header = int(packet_string[3])
      body = packet_string[4:]
      self.load_from_params(
          length=len_header, seq=count_header, body=body
      )
  
imports: import struct
  from mindsdb.api.mysql.mysql_proxy.libs.constants.mysql import MAX_PACKET_SIZE
  from mindsdb.utilities import log
label_desc: Use image node_id 5 for calling the Packet obj's underlying member method code with example usage: obj.load_from_packet_string(packet_string) without return types