Crash & can't launch Sakia

Crash. Then it crash again when launching Sakia. It's same with cleared cache:

DEBUG:community:get_block:Requesting block 44495
DEBUG:decorators:task_done:Task already removed
DEBUG:decorators:task_done:Task already removed
DEBUG:__init__:requests_get:Request : http://moul.re:8999/network/peering/peers
DEBUG:__init__:requests_get:Request : http://moul.re:8999/network/peering/peers
DEBUG:__init__:requests_get:Request : http://moul.re:8999/network/peering/peers
DEBUG:main:async_exception_handler:Exception handler executing
ERROR:main:async_exception_handler:Task exception was never retrieved
future: <Task finished coro=<refresh_peers() done, defined at /home/moul/projects/sakia/build/src/sakia/core/net/node.py:448> exception=AttributeError("'NoneType' object has no attribute 'group'",)>
Traceback (most recent call last):
  File "/home/moul/.pyenv/versions/3.5.0/lib/python3.5/asyncio/tasks.py", line 239, in _step
    result = coro.send(value)
  File "/home/moul/projects/sakia/build/src/sakia/core/net/node.py", line 467, in refresh_peers
    leaf_data['leaf']['value']['signature']))
  File "/home/moul/.pyenv/versions/env-sakia/lib/python3.5/site-packages/ucoinpy/documents/peer.py", line 63, in from_signed_raw
    endpoint = Endpoint.from_inline(lines[n])
  File "/home/moul/.pyenv/versions/env-sakia/lib/python3.5/site-packages/ucoinpy/documents/peer.py", line 97, in from_inline
    return BMAEndpoint.from_inline(inline)
  File "/home/moul/.pyenv/versions/env-sakia/lib/python3.5/site-packages/ucoinpy/documents/peer.py", line 126, in from_inline
    server = m.group(1)
AttributeError: 'NoneType' object has no attribute 'group'