OpenLP fails to open when VLC is not installed on Mac OS X

Relevant traceback on Mac OS X without VLC installed.

Traceback (most recent call last):
  File "openlp.py", line 32, in <module>
    from openlp.core import main
  File "/Users/jonathanspringer/projects/openlp/trunk/openlp/__init__.py", line 33, in <module>
    from openlp import core, plugins
  File "/Users/jonathanspringer/projects/openlp/trunk/openlp/core/__init__.py", line 53, in <module>
    from openlp.core.ui.exceptionform import ExceptionForm
  File "/Users/jonathanspringer/projects/openlp/trunk/openlp/core/ui/exceptionform.py", line 83, in <module>
    from openlp.core.ui.media.vlcplayer import VERSION
  File "/Users/jonathanspringer/projects/openlp/trunk/openlp/core/ui/media/vlcplayer.py", line 50, in <module>
    from openlp.core.ui.media.vendor import vlc
  File "/Users/jonathanspringer/projects/openlp/trunk/openlp/core/ui/media/vendor/vlc.py", line 167, in <module>
    dll, plugin_path = find_lib()
  File "/Users/jonathanspringer/projects/openlp/trunk/openlp/core/ui/media/vendor/vlc.py", line 159, in find_lib
    dll = ctypes.CDLL('libvlc.dylib')
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/ctypes/__init__.py", line 351, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: dlopen(libvlc.dylib, 6): image not found