Workaround: uninstall/install a Twisted version >=12.2.0,<=14.0.0
Workaround: uninstall/install a Twisted version >=12.2.0,<=14.0.0

By default pip grabs the latest Twisted version (15.x) which is not currently
supported by ooniprobe. https://trac.torproject.org/projects/tor/ticket/15944

kdmurray91/ooni-probe,juga0/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe,0xPoly/ooni-probe,0xPoly/ooni-probe,kdmurray91/ooni-probe,juga0/ooni-probe,0xPoly/ooni-probe,0xPoly/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe