Twisted and txJSON-RPC

[Travis]

This problem has come up for me as well.

$ sudo easy_install pylisp-ng
[sudo] password for _: 
install_dir /usr/local/lib/python2.6/dist-packages/
Searching for pylisp-ng
Reading http://pypi.python.org/simple/pylisp-ng/
Reading https://launchpad.net/pylisp-ng
Best match: pyLisp-NG 2.0.0
Downloading http://pypi.python.org/packages/source/p/pyLisp-NG/pyLisp-NG-2.0.0.tar.gz#md5=84141318cde6bf4e4f10ac4a920531be
Processing pyLisp-NG-2.0.0.tar.gz
Running pyLisp-NG-2.0.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-N3JX01/pyLisp-NG-2.0.0/egg-dist-tmp-CpmhdK
error: docs/PRELUDE.txt: No such file or directory