title: dbus systemd service not auto starting
body: <p>I am trying to start a service which use dbus.</p>
  <p>Basically, this is flask server proxying requests to dbus.</p>
  <p>I have created a systemd file like this:</p>
  <pre><code>[Unit]
  Description=...
  
  [Service]
  ExecStart=/usr/bin/python3 /home/root/api.py
  Type=dbus
  BusName=com.api
  
  [Install]
  WantedBy=dbus.service
  Also=graphical.target
  </code></pre>
  <p>When ever i restart the device, the service will be dead(inactive) but if i open a terminal and start it (<code>systemctl start api</code>) , it works fine.
  It would seem my install section is wrong, though i don't see why, as dbus is wanted and graphical target should  be sufficient.</p>
  <p>Is there something obvious i am missing?</p>