test_backend.py - KeyError: 'kivy.garden.matplotlib'` line 640, in _load_backward_compatible

[pidou46]

Windows10 Python 3.7.9 Kivy 2.0.0 matplotlib 3.4.2

%Run test_backend.py toto.txt test.py [INFO ] [Logger ] Record log in F:\users\slestang\.kivy\logs\kivy_21-06-07_1.txt [INFO ] [deps ] Successfully imported "kivy_deps.angle" 0.3.0 [INFO ] [deps ] Successfully imported "kivy_deps.glew" 0.3.0 [INFO ] [deps ] Successfully imported "kivy_deps.sdl2" 0.3.1 [INFO ] [Kivy ] v2.0.0 [INFO ] [Kivy ] Installed at "F:\users\slestang\AppData\Roaming\Python\Python37\site-packages\kivy\__init__.py" [INFO ] [Python ] v3.7.9 (tags/v3.7.9:13c94747c7, Aug 17 2020, 18:01:55) [MSC v.1900 32 bit (Intel)] [INFO ] [Python ] Interpreter at "F:\users\slestang\AppData\Local\Programs\Thonny\python.exe" [INFO ] [Factory ] 186 symbols loaded [INFO ] [Image ] Providers: img_tex, img_dds, img_pil (img_sdl2, img_ffpyplayer ignored) Traceback (most recent call last): File "F:\users\slestang\Downloads\kivy_matplotlib_demo2.py", line 8, in <module> from kivy.garden.matplotlib.backend_kivyagg import FigureCanvas,\ File "<frozen importlib._bootstrap>", line 983, in _find_and_load File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 668, in _load_unlocked File "<frozen importlib._bootstrap>", line 640, in _load_backward_compatible KeyError: 'kivy.garden.matplotlib'

[pidou46]

Sorry have not installed it correctly with : garden install matplotlib