Limit to later Python releases

Author: fabaff

setup.py

@@ -25,6 +25,7 @@
     license="MIT",
     install_requires=["aiohttp>=3.7.4,<4", "async_timeout<4"],
     packages=["netdata"],
+    python_requires=">=3.8",
     zip_safe=True,
     classifiers=[
         "Development Status :: 3 - Alpha",
@@ -34,7 +35,8 @@
         "Operating System :: MacOS :: MacOS X",
         "Operating System :: Microsoft :: Windows",
         "Operating System :: POSIX",
-        "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Topic :: Utilities",
     ],
 )