def getNodeNamespace(self, goid):
        if self.nodes() in goid:
            return self.node[goid]['data'].getNamespace()
        else:
            print 'Invalid goid'
            raise

    # Set the description of a node
    # @param    goid   The GO ID of the node to get the description of
    # @param    namespace The namespace that will be assigned to the node
dataset/ETHPy150Open CGATOxford/cgat/scripts/revigo.py/GOGraph.getNodeNamespace/swapped operands of `in`