Fixed wrong usage of `cp` (refs #2)
Fixed wrong usage of `cp` (refs #2)

cortexintel/heroku-buildpack-scipy,drinks/heroku-buildpack-python-scipy,marcospy/hackathon-globo-app,vlidholt/heroku-buildpack-scipy,hsr-ba-fs15-dat/heroku-buildpack,predata/heroku-buildpack-scipy,drinks/heroku-buildpack-python-scipy,river-jade/heroku-buildpack-scipy,rajpurkar/heroku-buildpack-python-sklearn,dbrgn/heroku-buildpack-python-sklearn,lyft/heroku-buildpack-python-data,projetoeureka/heroku-buildpack-scipy,psrthegreat/heroku-buildpack-python-sklearn,marcospy/hackathon-globo-app,rajpurkar/heroku-buildpack-python-sklearn,xica/heroku-buildpack-scipy,lyft/heroku-buildpack-python-data,dbrgn/heroku-buildpack-python-sklearn,rajpurkar/heroku-buildpack-python-sklearn,dbrgn/heroku-buildpack-python-sklearn,drinks/heroku-buildpack-python-scipy,brianthomas/heroku-buildpack-textmining,psrthegreat/heroku-buildpack-python-sklearn,thenovices/heroku-buildpack-scipy,nicktimko/heroku-buildpack-scipy,marcospy/heroku-buildpack-scipy,lyft/heroku-buildpack-python-data,pwdel1/heroku-buildpack-scipy,drinks/heroku-buildpack-python-scipy,marcospy/hackathon-globo-app,psrthegreat/heroku-buildpack-python-sklearn