Python3.5 Async Crawler Example with aiohttp and asyncio
sudo add-apt-repository ppa:fkrull/deadsnakes
sudo apt-get update
sudo apt-get install python3.5
mkvirtualenv async_crawler --python=/usr/bin/python3.5
python async_crawler.py
sudo mv /usr/bin/python3 /usr/bin/python3-backup
sudo ln -s /usr/bin/python3.5 /usr/bin/python3
sudo apt-get install python3-pip
sudo pip3 install aiohttp
python3 async_crawler.py