Recurring warning after upgrade to 0.85.1

After a successful upgrade to 0.85.1 I keep getting below error in the logs. I’m not using SSL.
Any ideas?

jan 14 13:17:26 raspberrypi hass[379]: /srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py:847: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
jan 14 13:17:26 raspberrypi hass[379]:   InsecureRequestWarning)
jan 14 13:17:26 raspberrypi hass[379]: 2019-01-14 13:17:26 INFO (MainThread) [homeassistant.components.http.view] Serving /api/history/period/2019-01-13T23:00:00.000Z to 192.168.1.21 (auth: True)
jan 14 13:17:34 raspberrypi hass[379]: /srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py:847: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
jan 14 13:17:34 raspberrypi hass[379]:   InsecureRequestWarning)
jan 14 13:17:34 raspberrypi hass[379]: /srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py:847: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
jan 14 13:17:34 raspberrypi hass[379]:   InsecureRequestWarning)
jan 14 13:17:34 raspberrypi hass[379]: /srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py:847: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
jan 14 13:17:34 raspberrypi hass[379]:   InsecureRequestWarning)
jan 14 13:17:34 raspberrypi hass[379]: /srv/homeassistant/lib/python3.5/site-packages/urllib3/connectionpool.py:847: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
jan 14 13:17:34 raspberrypi hass[379]:   InsecureRequestWarning)