flake: use eigen 5.0.1 from nixpkgs

Author: nim65s

flake.nix

@@ -32,25 +32,8 @@
               postPatch = "";
             };
           };
-          eigen5 = final: prev: {
-            eigen = prev.eigen.overrideAttrs (super: rec {
-              version = "5.0.0";
-              src = final.fetchFromGitLab {
-                inherit (super.src) owner repo;
-                tag = version;
-                hash = "sha256-L1KUFZsaibC/FD6abTXrT3pvaFhbYnw+GaWsxM2gaxM=";
-              };
-              patches = [ ];
-              postPatch = "";
-            });
-            pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
-              (python-final: python-prev: {
-                scipy = python-prev.scipy.overrideAttrs {
-                  # tests are somehow broken on darwin for now
-                  doCheck = !final.stdenv.hostPlatform.isDarwin;
-                };
-              })
-            ];
+          eigen_5 = final: _prev: {
+            eigen = final.eigen_5;
           };
         };
         perSystem =
@@ -70,7 +53,7 @@
               pkgs-eigen_5 = import inputs.nixpkgs {
                 inherit system;
                 overlays = [
-                  self.overlays.eigen5
+                  self.overlays.eigen_5
                   self.overlays.default
                 ];
               };