setup: min py3.8

setup.py

@@ -62,7 +62,7 @@ def _load_long_description(homepage: str, version: str) -> str:
         include_package_data=True,
         zip_safe=False,
         keywords=["deep learning", "pytorch", "AI"],
-        python_requires=">=3.6",
+        python_requires=">=3.8",
         setup_requires=[],
         install_requires=_load_requirements(_PATH_ROOT),
         project_urls={