def perform(self, X):
# work around some awkwardness with blocks
rval = Block.perform(self, X)
if isinstance(rval, list):
rval = tuple(rval)
return rval
def perform(self, X):
# work around some awkwardness with blocks
rval = Block.perform(self, X)
if isinstance(rval, list):
rval = tuple(rval)
return rval
