pypi-install: allow --help without being root
pypi-install: allow --help without being root

sathieu/stdeb,sathieu/stdeb,astraw/stdeb,benthomasson/stdeb,pombredanne/stdeb,LeMeteore/stdeb,astraw/stdeb,pombredanne/stdeb,LeMeteore/stdeb,pombredanne/stdeb,benthomasson/stdeb,sathieu/stdeb,astraw/stdeb,LeMeteore/stdeb,benthomasson/stdeb