PYTHONPATH required for bzr+ssh

$ bzr co bzr+ssh://username@my.org/~/bzr/my.org/website/home_server
CloudLinux Server release 5.8
Kernel \r on an \m
username@my.org's password:
stdin: is not a tty
/etc/bashrc: line 96: $HISTFILE: ambiguous redirect
bzr: ERROR: Couldn't import bzrlib and dependencies.
Please check the directory containing bzrlib is on your PYTHONPATH.

Traceback (most recent call last):
  File "/home/username/bin/bzr", line 102, in ?
    import bzrlib
ImportError: No module named bzrlib
ConnectionReset reading response for 'BzrDir.open_2.1', retrying
CloudLinux Server release 5.8
Kernel \r on an \m
username@my.org's password: