if not config.get("introducer", ""):
print >>out, " Please set [client]introducer.furl= in tahoe.cfg!"
print >>out, " The node cannot connect to a grid without it."
if not config.get("introducer", ""):
print >>out, " Please set [client]introducer.furl= in tahoe.cfg!"
print >>out, " The node cannot connect to a grid without it."