Revert "python3Packages.langgraph-checkpoint: 2.0.8 -> 2.0.13"

This reverts commit 616aa272d0.

pkgs/development/python-modules/langgraph-checkpoint/default.nix

@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "langgraph-checkpoint";
-  version = "2.0.13";
+  version = "2.0.8";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -23,8 +23,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langgraph";
-    tag = "checkpointpostgres==${version}";
-    hash = "sha256-Vz2ZoikEZuMvt3j9tvBIcXCwWSrCV8MI7x9PIHodl8Y=";
+    tag = "checkpoint==${version}";
+    hash = "sha256-obDK6wn+oo8zDQsidogwKTIgT5wuUH/l4y+12cttkd0=";
   };
 
   sourceRoot = "${src.name}/libs/checkpoint";
@@ -56,7 +56,7 @@ buildPythonPackage rec {
   };
 
   meta = {
-    changelog = "https://github.com/langchain-ai/langgraph/releases/tag/checkpoint==${src.tag}";
+    changelog = "https://github.com/langchain-ai/langgraph/releases/tag/checkpoint==${version}";
     description = "Library with base interfaces for LangGraph checkpoint savers";
     homepage = "https://github.com/langchain-ai/langgraph/tree/main/libs/checkpoint";
     license = lib.licenses.mit;