Require python>=3.9 (#61)

Author: ssbarnea

setup.cfg

@@ -37,13 +37,10 @@ classifiers =
 
     Operating System :: OS Independent
 
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 
     Topic :: System :: Systems Administration
     Topic :: Utilities
@@ -53,7 +50,7 @@ keywords =
 
 [options]
 use_scm_version = True
-python_requires = >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*
+python_requires = >=3.9
 packages = find:
 include_package_data = True
 zip_safe = True