no 3.8

.github/workflows/test.yaml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7]
 
     steps:
     - uses: actions/checkout@v2

setup.py

@@ -37,7 +37,7 @@ setup(
     url="https://github.com/sanderland/katrain",
     license="MIT",
     install_requires=["kivy", "kivy_deps.glew;platform_system=='Windows'", "kivy_deps.sdl2;platform_system=='Windows'", "kivy_deps.gstreamer;platform_system=='Windows'","importlib_resources ;python_version<'3.7'",],
-    python_requires=">=3.6",
+    python_requires=">=3.6, <3.8",
     entry_points={"console_scripts": ["katrain=katrain.__main__:run_app"]},
     classifiers=["Development Status :: 4 - Beta", "Operating System :: Microsoft :: Windows", "Operating System :: POSIX :: Linux", "Programming Language :: Python :: 3"],
     packages=packages,