Update setup.py
I think `:=` in tinygrad/test/test_mnist.py actually needs 3.8
@@ -20,5 +20,5 @@ setup(name='tinygrad',
"License :: OSI Approved :: MIT License"
],
install_requires=['numpy', 'requests'],
- python_requires='>=3.6',
+ python_requires='>=3.8',
include_package_data=True)
