python311Packages.greatfet 0 -> 1
attrpath: python311Packages.greatfet
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/z73mr929j850wcs460asm6cnwckgd8v7-packages.json.drv
building '/nix/store/z73mr929j850wcs460asm6cnwckgd8v7-packages.json.drv'...

Going to be running update for following packages:
 - python3.11-GreatFET-2019.5.1.dev0

Press Enter key to continue...
Running update for:
 - python3.11-GreatFET-2019.5.1.dev0: UPDATING ...
 - python3.11-GreatFET-2019.5.1.dev0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/development/python-modules/greatfet/default.nix b/pkgs/development/python-modules/greatfet/default.nix
index 7859d2f4c087..75492818a50c 100644
--- a/pkgs/development/python-modules/greatfet/default.nix
+++ b/pkgs/development/python-modules/greatfet/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "GreatFET";
-  version = "2019.5.1.dev0";
+  version = "2021.2.1";
 
   src = fetchFromGitHub {
     owner = "greatscottgadgets";
     repo = "greatfet";
-    rev = "v${version}";
-    sha256 = "054vkx4xkbhxhh5grjbs9kw3pjkv1zapp91ysrqr0c8mg1pc7zxv";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-ZIZxK6P/LfYRAssME+5mJz5dTNLKo9217D7cAam+BgI=";
   };
 
   disabled = !isPy3k;

An auto update branch exists with message `python311Packages.greatfet: refactor, update dependencies`. New version is 2021.2.1.
The auto update branch does not match or exceed the new version.
There might already be an open PR for this update:
- python311Packages.greatfet: 2019.5.1.dev0 -> 2021.2.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/280931"