code: def read_bytes_timeout(self, n, timeout=60):
      cur = time.time()
      end = cur + timeout
      # This is a reason to switch from socketserver to asyncio
      while cur < end:
          cur = time.time()
          data = self.buffer.read(n)
          if not data:
              pass
          else:
              return data
      raise PostgresEmptyDataException(
          "Expected data inside of buffer when performing read_bytes"
      )
  
imports: import struct
  from typing import List, Any, BinaryIO, Sequence, Dict
  from mindsdb.api.postgres.postgres_proxy.utilities import strip_null_byte
  from mindsdb.utilities import log
  import time
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_fields import PostgresField
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_message_identifiers import PostgresBackendMessageIdentifier, PostgresFrontendMessageIdentifier, PostgresAuthType
label_desc: Use image node_id 5 for calling the PostgresPacketReader obj's underlying member method code with example usage: obj.read_bytes_timeout(n, timeout) and returns: data