Traceback (most recent call last):


 "/Users/lbotelho/Library/Python/2.7/bin/coursera-dl", line 8, in <module>

sys.exit(main())


 "/Users/lbotelho/Library/Python/2.7/lib/python/site-packages/coursera/coursera_dl.py", line 235, in main

session = get_session()


 "/Users/lbotelho/Library/Python/2.7/lib/python/site-packages/coursera/coursera_dl.py", line 95, in get_session

session.mount('https://', TLSAdapter())


 "/Users/lbotelho/Library/Python/2.7/lib/python/site-packages/requests/adapters.py", line 129, in __init__

self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block)


 "/Users/lbotelho/Library/Python/2.7/lib/python/site-packages/coursera/cookies.py", line 385, in init_poolmanager

ssl_version=ssl.PROTOCOL_TLSv1_2)
AttributeError: 'module' object has no attribute 'PROTOCOL_TLSv1_2'

Traceback (most recent call last):


 "src/gevent/greenlet.py", line 716, in gevent._greenlet.Greenlet.run


 "/Users/paul/Projects/brainbot/raiden/raiden/network/transport/matrix/client.py", line 438, in _handle_response

self.call(room._put_event, event)


 "/Users/paul/Projects/brainbot/raiden/raiden/network/transport/matrix/client.py", line 386, in call

return callback(*args, **kwargs)


 "/Users/paul/Projects/brainbot/raiden/venv/lib/python3.7/site-packages/matrix_client/room.py", line 308, in _put_event

listener['callback'](self, event)


 "/Users/paul/Projects/brainbot/raiden/raiden/network/transport/matrix/transport.py", line 914, in _handle_message

self._receive_message(message)


 "/Users/paul/Projects/brainbot/raiden/raiden/network/transport/matrix/transport.py", line 947, in _receive_message

self._raiden_service.on_message(message)


 "/Users/paul/Projects/brainbot/raiden/raiden/raiden_service.py", line 665, in on_message

self.message_handler.on_message(self, message)


 "/Users/paul/Projects/brainbot/raiden/raiden/message_handler.py", line 49, in on_message

self.handle_message_unlock(raiden, message)


 "/Users/paul/Projects/brainbot/raiden/raiden/message_handler.py", line 100, in handle_message_unlock

raiden.handle_and_track_state_change(state_change)


 "/Users/paul/Projects/brainbot/raiden/raiden/raiden_service.py", line 673, in handle_and_track_state_change

for greenlet in self.handle_state_change(state_change):


 "/Users/paul/Projects/brainbot/raiden/raiden/raiden_service.py", line 695, in handle_state_change

update_services_from_balance_proof(self, current_state, changed_balance_proof)


 "/Users/paul/Projects/brainbot/raiden/raiden/raiden_service.py", line 229, in update_services_from_balance_proof

new_balance_proof=changed_balance_proof.balance_proof,


 "/Users/paul/Projects/brainbot/raiden/raiden/raiden_service.py", line 296, in update_monitoring_service_from_balance_proof

rei_balance = raiden.user_deposit.effective_balance(raiden.address, 'latest')
AttributeError: 'NoneType' object has no attribute 'effective_balance'
