Parcel Tracker не запускается

Traceback (most recent call last):
File "/usr/bin/parcel-tracker", line 48, in <module>
import parcel_tracker
File "/usr/lib/python2.7/dist-packages/parcel_tracker/__init__.py", line 28, in <module>
from parcel_tracker import ParcelTrackerWindow
File "/usr/lib/python2.7/dist-packages/parcel_tracker/ParcelTrackerWindow.py", line 34, in <module>
from parcel_tracker.PreferencesParcelTrackerDialog import PreferencesParcelTrackerDialog
File "/usr/lib/python2.7/dist-packages/parcel_tracker/PreferencesParcelTrackerDialog.py", line 33, in <module>
from parcel_tracker_lib import post_services
File "/usr/lib/python2.7/dist-packages/parcel_tracker_lib/post_services.py", line 38, in <module>
ssl.__ssl__.SSLContext.wrap_socket = wrap_socket
AttributeError: 'module' object has no attribute 'SSLContext'
Exception KeyError: KeyError(140082728606608,) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored