[Twisted-Python] Installing Twisted-Web 0.7.0 problem ( OS X 10.5 )

Hi @all, I've already installed following packages ( all installation i've made with: sudo python setup.py install ): - zope interface v. 3.3.0 - twisted-core 2.5.0 and i've tried to install twisted-web 0.7.0 but: i get this Error: Traceback (most recent call last): File "setup.py", line 13, in <module> scripts=dist.getScripts("web"), File "/System/Library/Frameworks/Python.framework/Versions/2.5/ Extras/lib/python/twisted/python/dist.py", line 218, in getScripts thingies = os.listdir(scriptdir) OSError: [Errno 2] No such file or directory: 'bin' i hope somebody can help me. THX a lot Frank :-)