method: path.svnwc.update

 update working copy item to given revision. (None -> HEAD). 
    def update(self, rev = 'HEAD'):

origin: path.svnwc

where:

function source:

def update(self, rev = 'HEAD'):
    """ update working copy item to given revision. (None -> HEAD). """
    self._svn('up -r %s' % rev)

call sites:

called in /home/johnny/projects/merlinux/py/dist/py/path/svn/testing/test_wccommand.py

traceback path.svnwc.update.0

called in /home/johnny/projects/merlinux/py/dist/py/path/svn/testing/test_wccommand.py

traceback path.svnwc.update.1