$ sudo ./sync-engine
None
P2: id=0x78413536, guid="{DCDC2BE5-FD7E-4B79-9D60-CC79FFD025A8}", hostname="JONNY", name="Windows PC", sync_items=[ Calendar, Tasks, Contacts ]
Traceback (most recent call last):
  File "./sync-engine", line 44, in ?
    obj = SyncEngine(bus_name, OBJECT_PATH, rss)
  File "/home/jonny/synce/sync-engine-python/engine/syncengine.py", line 53, in __init__
    self._init_transports()
  File "/home/jonny/synce/sync-engine-python/engine/syncengine.py", line 143, in _init_transports
    raise ProtocolError("HTTP transport not found")
engine.errors.ProtocolError: HTTP transport not found