我的问题出在标题上，我使用这些命令安装了 kivy-garden 和 kivy 和 recycleview：
pip install kivy-garden garden install recycleview
谢谢你的帮助 ！
这是 TraceBack ：
[INFO ] [Logger ] Record log in C:\Users\ouifa\.kivy\logs\kivy_16-06-17_1.txt
[INFO ] [Kivy ] v1.9.1
[INFO ] [Python ] v3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:43:06) [MSC v.1600 32 bit (Intel)]
[INFO ] [Factory ] 179 symbols loaded
[INFO ] [Image ] Providers: img_tex, img_dds, img_gif, img_sdl2 (img_pil, img_ffpyplayer ignored)
[INFO ] [OSC ] using <thread> for socket
[INFO ] [Window ] Provider: sdl2
[INFO ] [GL ] GLEW initialization succeeded
[INFO ] [GL ] OpenGL version <b'4.4.0 - Build 10.18.15.4279'>
[INFO ] [GL ] OpenGL vendor <b'Intel'>
[INFO ] [GL ] OpenGL renderer <b'Intel(R) HD Graphics 520'>
[INFO ] [GL ] OpenGL parsed version: 4, 4
[INFO ] [GL ] Shading version <b'4.40 - Build 10.18.15.4279'>
[INFO ] [GL ] Texture max size <16384>
[INFO ] [GL ] Texture max units <32>
[INFO ] [Shader ] fragment shader: <b"WARNING: 0:6: '' : #version directive missing">
[INFO ] [Shader ] vertex shader: <b"WARNING: 0:6: '' : #version directive missing">
[INFO ] [Window ] auto add sdl2 input provider
[INFO ] [Window ] virtual keyboard not allowed, single mode, not docked
[INFO ] [Text ] Provider: sdl2
Traceback (most recent call last):
File "C:\Users\ouifa\Desktop\KivyMD-master-287939089331bd9c6570fdeaa482901c679c85b8\kitchen_sink.py", line 15, in <module>
from kivymd.dialog import MDDialog
File "C:\Users\ouifa\Desktop\KivyMD-master-287939089331bd9c6570fdeaa482901c679c85b8\kivymd\dialog.py", line 8, in <module>
from theming import ThemableBehavior
ImportError: No module named 'theming'