Using an uptodate ArchLinux, ranger out of the blue doesn't start anymore.

ranger version: 1.6.1, executed with python 3.3.3
Locale: de_DE.UTF-8
Current file: None
Traceback (most recent call last):
  File "/usr/lib/python3.3/site-packages/ranger/core/main.py", line 114, in main
    fm.initialize()
  File "/usr/lib/python3.3/site-packages/ranger/core/fm.py", line 80, in initialize
    enumerate(self.start_paths))
  File "/usr/lib/python3.3/site-packages/ranger/core/fm.py", line 79, in <genexpr>
    self.tabs = dict((n+1, Tab(path)) for n, path in
  File "/usr/lib/python3.3/site-packages/ranger/core/tab.py", line 19, in _init_
    self.path = abspath(expanduser(path))
  File "/usr/lib/python3.3/posixpath.py", line 383, in abspath
    cwd = os.getcwd()
FileNotFoundError: [Errno 2] Datei oder Verzeichnis nicht gefunden