def CreateGroup(self, GroupName):
        """Creates a custom contact group.

        :Parameters:
          GroupName : unicode
            Group name.

        :return: A group object.
        :rtype: `Group`

        :see: `DeleteGroup`
        """
        groups = self.CustomGroups
        self._DoCommand(tounicode(GroupName) % 'CREATE GROUP %s')
        for g in self.CustomGroups:
            if g not in groups and g.DisplayName == GroupName:
                return g
        raise SkypeError(0, 'Group creating failed')
dataset/ETHPy150Open Skype4Py/Skype4Py/Skype4Py/skype.py/Skype.CreateGroup/swapped operands of `%`