working_set.require(__requires__) File \”/usr/lib/python2.6/site-packages/pkg_resources.py\”, line 648, in require needed = self.resolve(parse_requirements(requirements)) File \”/usr/lib/python2.6/site-packages/pkg_resources.py\”, line 546, in resolve raise DistributionNotFound(req) pkg_resources.DistributionNotFound: argparse
