def begin(self):
        """begin

        """
        if self.isopen: return
        self.dropbox.open()
        self.isopen = True
def begin(self):
        """begin

        """
        if self.isopen: return
        self.dropbox.open()
        self.isopen = True
def begin ( self ) : if self . isopen : return self . dropbox . open ( ) self . isopen = True
begin
begin