capybara/virtualenv/lib/python2.7/site-packages/pip/vcs/__init__.py
def unpack(self, location):
        """
        Clean up current location and download the url repository
        (and vcs infos) into location
        """
        if os.path.exists(location):
            rmtree(location)
        self.obtain(location)
def unpack(self, location):
        """
        Clean up current location and download the url repository
        (and vcs infos) into location
        """
        if os.path.exists(location):
            rmtree(location)
        self.obtain(location)
def unpack ( self , location ) : if os . path . exists ( location ) : rmtree ( location ) self . obtain ( location )
Clean up current location and download the url repository
        (and vcs infos) into location
Clean up current location and download the url repository ( and vcs infos ) into location