def before(self, dt, inc=False):
        """ Returns the last recurrence before the given datetime instance. The
            inc keyword defines what happens if dt is an occurrence. With
            inc=True, if dt itself is an occurrence, it will be returned. """
        if self._cache_complete:
            gen = self._cache
        else:
            gen = self
        last = None
        if inc:
            for i in gen:
                if i > dt:
                    break
                last = i
        else:
            for i in gen:
                if i >= dt:
                    break
                last = i
        return last
def before(self, dt, inc=False):
        
        if self._cache_complete:
            gen = self._cache
        else:
            gen = self
        last = None
        if inc:
            for i in gen:
                if i > dt:
                    break
                last = i
        else:
            for i in gen:
                if i >= dt:
                    break
                last = i
        return last
def before ( self , dt , inc = False ) : if self . _cache_complete : gen = self . _cache else : gen = self last = None if inc : for i in gen : if i > dt : break last = i else : for i in gen : if i >= dt : break last = i return last
Returns the last recurrence before the given datetime instance. The
            inc keyword defines what happens if dt is an occurrence. With
            inc=True, if dt itself is an occurrence, it will be returned.
Returns the last recurrence before the given datetime instance . The inc keyword defines what happens if dt is an occurrence . With inc = True if dt itself is an occurrence it will be returned .