Hi, Twill isn't required, it's only used as a means of getting pyparsing, which is already in Debian as python-pyparsing. To quote from GNUMakefile:
# twill provides pyparsing pydot-install: graphviz-install twill-install James Andrewartha -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]

