nix: make flake.createOpenLane shell more ergonomic

## Tool Updates
* `flake.createOpenLaneShell` now gets OpenLane from `python3.pkgs`.
* Fixed issue with `flake.createOpenLaneShell` where plugins would not get
  included due to an operator precedence issue.

Changelog.md

@@ -14,6 +14,15 @@
 ## Documentation
 -->
 
+# 2.2.1
+
+This patch has no functional changes to OpenLane proper.
+
+## Tool Updates
+* `flake.createOpenLaneShell` now gets OpenLane from `python3.pkgs`.
+* Fixed issue with `flake.createOpenLaneShell` where plugins would not get
+  included due to an operator precedence issue.
+
 # 2.2.0
 
 ## CLI

flake.nix

@@ -125,7 +125,7 @@
     devShells = nix-eda.forAllSystems (
       system: let
         pkgs = self.legacyPackages."${system}";
-        callPackage = lib.callPackageWith (pkgs // {inherit (self.legacyPackages."${system}".python3.pkgs) openlane;});
+        callPackage = lib.callPackageWith pkgs;
       in {
         # These devShells are rather unorthodox for Nix devShells in that they
         # include the package itself. For a proper devShell, try .#dev.

nix/create-shell.nix

@@ -18,7 +18,6 @@
   include-openlane ? true
 }: ({
   lib,
-  openlane,
   git,
   zsh,
   delta,
@@ -29,6 +28,7 @@
   python3,
   devshell,
 }: let
+  openlane = python3.pkgs.openlane;
   openlane-env = (
     python3.withPackages (pp:
         (if include-openlane then [openlane] else openlane.propagatedBuildInputs)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "openlane"
-version = "2.2.0"
+version = "2.2.1"
 description = "An infrastructure for implementing chip design flows"
 authors = ["Efabless Corporation and Contributors <[email protected]>"]
 readme = "Readme.md"