title: How to use async/await in Python 3.5?
body: <pre><code>#!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  import time
  
  async def foo():
    await time.sleep(1)
  
  foo()
  </code></pre>
  
  <p>I couldn't make this dead simple example to run:</p>
  
  <pre><code>RuntimeWarning: coroutine 'foo' was never awaited foo()
  </code></pre>