~/poezio$ ./launch.sh
Traceback (most recent call last):
  File "/usr/lib/python3.4/runpy.py", line 170, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.4/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/aagren/poezio/poezio/__main__.py", line 4, in <module>
    main()
  File "/home/aagren/poezio/poezio/poezio.py", line 75, in main
    from . import core
  File "/home/aagren/poezio/poezio/core/__init__.py", line 5, in <module>
    from . core import Core
  File "/home/aagren/poezio/poezio/core/core.py", line 26, in <module>
    from poezio import tabs
  File "/home/aagren/poezio/poezio/tabs/__init__.py", line 1, in <module>
    from . basetabs import Tab, ChatTab, GapTab, OneToOneTab
  File "/home/aagren/poezio/poezio/tabs/basetabs.py", line 25, in <module>
    from poezio import core
ImportError: cannot import name 'core'