fix: corrected build

flake.nix

@@ -3,57 +3,62 @@
 
   inputs = {
     nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.0.tar.gz";
-    flake-utils.url =
-      "https://flakehub.com/f/numtide/flake-utils/0.1.85.tar.gz";
+    flake-utils.url = "https://flakehub.com/f/numtide/flake-utils/0.1.85.tar.gz";
   };
 
-  outputs = { self, nixpkgs, flake-utils, ... }:
-    let pythonVersion = "python39";
-    in flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-        lib = pkgs.lib;
-        python3Packages = pkgs.python3Packages;
-        fetchPypi = pkgs.fetchPypi;
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    ...
+  }: let
+    pythonVersion = "python39";
+  in
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+      lib = pkgs.lib;
+      python3Packages = pkgs.python3Packages;
+      fetchPypi = pkgs.fetchPypi;
 
-          src = pkgs.fetchFromGitHub {
-            owner = "webcomics";
-            repo = "dosage";
-            rev = "9163317abadcef0a562afaaf422828b56d006e20";
-            hash = "sha256-t5HxvXCFPNG5K1uDtfIxDo6JV921ywY1Eznj7GoSh44=";
-          };
-      in rec {
-        defaultPackage = python3Packages.buildPythonApplication rec {
-          pname = "dosage";
-          version = "3.1.dev104+g9e05fae304";
-          format = "pyproject";
+      pkgSrc = pkgs.fetchFromGitHub {
+        owner = "webcomics";
+        repo = "dosage";
+        rev = "9163317abadcef0a562afaaf422828b56d006e20";
+        hash = "sha256-t5HxvXCFPNG5K1uDtfIxDo6JV921ywY1Eznj7GoSh44=";
+      };
+    in rec {
+      defaultPackage = python3Packages.buildPythonApplication rec {
+        pname = "dosage";
+        version = "3.1.dev104+g9e05fae304";
+        format = "pyproject";
 
-          nativeCheckInputs = with python3Packages; [
-            pytestCheckHook
-            pytest-xdist
-            responses
-          ];
+        nativeCheckInputs = with python3Packages; [
+          pytestCheckHook
+          pytest-xdist
+          responses
+        ];
 
-          requirements = "${src}/setup/requirements.txt";
+        src = pkgSrc;
+        requirements = "${src}/setup/requirements.txt";
 
-          nativeBuildInputs = with python3Packages; [ setuptools-scm ];
+        nativeBuildInputs = with python3Packages; [setuptools-scm];
 
-          propagatedBuildInputs = with python3Packages; [
-            colorama
-            imagesize
-            lxml
-            platformdirs
-            requests
-          ];
+        propagatedBuildInputs = with python3Packages; [
+          colorama
+          imagesize
+          lxml
+          platformdirs
+          requests
+        ];
 
-          meta = {
-            description = "A comic strip downloader and archiver";
-            homepage = "https://dosage.rocks/";
-            license = lib.licenses.mit;
-            maintainers = with lib.maintainers; [ dmoonfire ];
-          };
+        meta = {
+          description = "A comic strip downloader and archiver";
+          homepage = "https://dosage.rocks/";
+          license = lib.licenses.mit;
+          maintainers = with lib.maintainers; [dmoonfire];
         };
+      };
 
-        formatter = pkgs.alejandra;
-      });
+      formatter = pkgs.alejandra;
+    });
 }