title: TypeError: request() missing 1 required positional argument: 'url'
body: <p>I'm writing a script in Python3.6  that, among other things, obtains links from a site.xml. I failed to use <code>urllib3</code> That has been explained by the help of the community. Currently, I am stuck over this error. Going over the documentation at <a href="http://docs.python-requests.org/en/master/user/quickstart/" rel="nofollow noreferrer">Requests</a> I tried following examples but failed.                 </p>
  
  <pre><code>import urllib3
  
  http = urllib3.PoolManager(10)
  url = 'https://www.desertessence.com/sitemap.xml'
  
  pagedata = http.request(url).data
  </code></pre>
  
  <p>Error is over missing argument <code>url</code> </p>
  
  <pre><code>Traceback (most recent call last):
  File "/Users/user/Downloads/1.py", line 6, in &lt;module&gt;
      pagedata = http.request(url).data
  TypeError: request() missing 1 required positional argument: 'url'
  [Finished in 0.7s with exit code 1]
  </code></pre>