def chatter(self, format, *args):
        if self.opts.stdout or not self.opts.verbose:
            return
        fprintfMessage(sys.stdout, format, *args)
Print a verbose message to stdout.  But don't if .opts.stdout is
dataset/ETHPy150Open skyostil/tracy/src/generator/Cheetah/CheetahWrapper.py/CheetahWrapper.chatter