Use Git to get the most current version of the bot.
Grab your copy with the following command:
git clone https://github.com/otfbot/otfbot.git
you need setuptools and maybe essential development tools, depending on how many requiered python modules are already installed on your system. on debian:
apt-get install python-setuptools build-essential python-dev
when setuptools is installed, just do
easy_install otfbot twistd --help #this generates the dropin.cache
If you cannot use git or do not want to use git, you can grab the latest git snapshot.
See https://github.com/otfbot/otfbot/releases for a list of all tagged releases / betas / release candidates.
If you try to run OTFBot on Debian Etch you may need this package