python310Packages.langchain: 0.0.247 -> 0.0.254

Diff: https://github.com/hwchase17/langchain/compare/refs/tags/v0.0.247...v0.0.254

Changelog: https://github.com/hwchase17/langchain/releases/tag/v0.0.254

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

@@ -80,7 +80,7 @@
 
 buildPythonPackage rec {
   pname = "langchain";
-  version = "0.0.247";
+  version = "0.0.254";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -89,7 +89,7 @@ buildPythonPackage rec {
     owner = "hwchase17";
     repo = "langchain";
     rev = "refs/tags/v${version}";
-    hash = "sha256-Eq9jXfVJuoiNWkJanol/tqQU+kOrftMii90743DeI3Y=";
+    hash = "sha256-YQFIF1tA/CjvmD6xGgVre2lbcHR+UYx/sy1dOfpvkPY=";
   };
 
   sourceRoot = "source/libs/langchain";