python311Packages.gremlinpython: disable on unsupported Python releases

- add format

pkgs/development/python-modules/gremlinpython/default.nix

@@ -7,6 +7,7 @@
 , isodate
 , nest-asyncio
 , pytestCheckHook
+, pythonOlder
 , mock
 , pyhamcrest
 , radish-bdd
@@ -15,12 +16,14 @@
 buildPythonPackage rec {
   pname = "gremlinpython";
   version = "3.6.3";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
-  # pypi tarball doesn't include tests
   src = fetchFromGitHub {
     owner = "apache";
     repo = "tinkerpop";
-    rev = version;
+    rev = "refs/tags/${version}";
     hash = "sha256-CmVWaRebJaZHJGzhaBdYXPF3BZ8+Cvc5P/KOpsG+dX4=";
   };
 
@@ -30,7 +33,6 @@ buildPythonPackage rec {
     sed -i '/pytest-runner/d' setup.py
 
     substituteInPlace setup.py \
-      --replace 'aiohttp>=3.8.0,<=3.8.1' 'aiohttp' \
       --replace 'importlib-metadata<5.0.0' 'importlib-metadata' \
       --replace "os.getenv('VERSION', '?').replace('-SNAPSHOT', '.dev-%d' % timestamp)" '"${version}"'
   '';