Poloniex Python3 Memleak Test

# -*- coding: utf-8 -*-

import os
import sys
import psutil


import ccxt  # noqa: E402
exchange = ccxt.poloniex()

while True:
   orderbook = exchange.fetch_order_book('ETH/BTC')
   process = psutil.Process(os.getpid())
   print(exchange.iso8601(exchange.milliseconds()), process.memory_info().rss)