Increment the minor number of project

def set_minor(self):
        """
        Increment the minor number of project
        """
        old_version = self.get_version()
        new_version = str(int(old_version.split('.', 5)[0])) + '.' + \
            str(int(old_version.split('.', 5)[1])+1) + '.0'
        self.set_version(old_version, new_version)