Update flake.nix to import nixpkgs (like before)
diff --git a/flake.nix b/flake.nix
index b716054..85b5da2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
     let
         system = "x86_64-linux";  # TOOD: Add options for MacOS
 
-        pkgs = nixpkgs {
+        pkgs = import nixpkgs {
             inherit system;
 
             config = { allowUnfree = true; };