Kivy: multi-line text

mltest.py

import kivy
kivy.require('1.9.0')

from kivy.app import App
from kivy.lang import Builder

root = Builder.load_string('''
Label:
    text:
        """hello there.
        this is some text
        and it spans multiple lines"""
''')

class TestApp(App):
    def build(self):
        return root

if __name__ == '__main__':
    TestApp().run()