1 files changed, 4 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/tools/poetry2nix/poetry2nix/default.nix b/nixpkgs/pkgs/development/tools/poetry2nix/poetry2nix/default.nix
index 22ab12149285..dae0a02b6175 100644
--- a/nixpkgs/pkgs/development/tools/poetry2nix/poetry2nix/default.nix
+++ b/nixpkgs/pkgs/development/tools/poetry2nix/poetry2nix/default.nix
@@ -5,7 +5,7 @@
 }:
 let
   # Poetry2nix version
-  version = "1.20.0";
+  version = "1.21.0";
 
   inherit (poetryLib) isCompatible readTOML moduleName;
 
@@ -339,6 +339,9 @@ lib.makeScope pkgs.newScope (self: {
             ) { inherit app; };
           };
 
+          # Extract position from explicitly passed attrs so meta.position won't point to poetry2nix internals
+          pos = builtins.unsafeGetAttrPos (lib.elemAt (lib.attrNames attrs) 0) attrs;
+
           meta = lib.optionalAttrs (lib.hasAttr "description" pyProject.tool.poetry)
             {
               inherit (pyProject.tool.poetry) description;