title: IOError: [Errno 13] Permission denied: '/etc/wpa_supplicant/wpa_supplicant.conf'
body: <p>I have problem with:</p>
  
  <pre><code>for line in open("/etc/wpa_supplicant/wpa_supplicant.conf", mode="r", encoding="utf8"):
      print(line)
  </code></pre>
  
  <p>Result is:</p>
  
  <blockquote>
    <p>IOError: [Errno 13] Permission denied: '/etc/wpa_supplicant/wpa_supplicant.conf'</p>
  </blockquote>
  
  <p>What is problem?</p>