python3: use minimal 3.10 version

requirements.txt

@@ -1,6 +1,5 b''
 ## dependencies
 
-# our custom configobj
 configobj==5.0.8
 
 dogpile.cache==1.1.8

setup.py

@@ -64,8 +64,8 b' def get_package_name(req_object):'
     return package_name
 
 
-if sys.version_info < (2, 7):
-    raise Exception('VCSServer requires Python 2.7 or later')
+if sys.version_info < (3, 10):
+    raise Exception('RhodeCode requires Python 3.10 or later')
 
 here = os.path.abspath(os.path.dirname(__file__))