diff --git a/default.nix b/default.nix
index f9e996a..6425f5e 100644
--- a/default.nix
+++ b/default.nix
@@ -1,6 +1,7 @@
-{ sources ? import ./npins
-, nixpkgs ? sources.nixpkgs
-, pkgs ? import nixpkgs { overlays = [ (import ./overlay.nix) ]; }
+{
+  sources ? import ./npins,
+  nixpkgs ? sources.nixpkgs,
+  pkgs ? import nixpkgs { overlays = [ (import ./overlay.nix) ]; },
 }:
 rec {
   shell = pkgs.mkShell {
@@ -9,13 +10,22 @@ rec {
       pkgs.ruff
     ];
   };
-  python = pkgs.python3.withPackages (ps: [ ps.mypy ps.click ps.click-log ps.uptime-kuma-api ]);
-  evalModules = (pkgs.lib.evalModules {
-    modules = [
-      ./nixos/module.nix
-      ({ lib, ... }: {
-        _module.args.pkgs = lib.mkDefault pkgs;
-      })
-    ];
-  }).extendModules;
+  python = pkgs.python3.withPackages (ps: [
+    ps.mypy
+    ps.click
+    ps.click-log
+    ps.uptime-kuma-api
+  ]);
+  evalModules =
+    (pkgs.lib.evalModules {
+      modules = [
+        ./nixos/module.nix
+        (
+          { lib, ... }:
+          {
+            _module.args.pkgs = lib.mkDefault pkgs;
+          }
+        )
+      ];
+    }).extendModules;
 }
diff --git a/nixos/module.nix b/nixos/module.nix
index 144d248..e7f1dd0 100644
--- a/nixos/module.nix
+++ b/nixos/module.nix
@@ -1,6 +1,11 @@
-{ config, lib, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 let
-  probesFormat = pkgs.formats.json {};
+  probesFormat = pkgs.formats.json { };
   cfg = config.statelessUptimeKuma;
 in
 {
@@ -13,15 +18,15 @@ in
     probesConfig = {
       monitors = lib.mkOption {
         inherit (probesFormat) type;
-        default = [];
+        default = [ ];
       };
       tags = lib.mkOption {
         inherit (probesFormat) type;
-        default = [];
+        default = [ ];
       };
       notifications = lib.mkOption {
         inherit (probesFormat) type;
-        default = [];
+        default = [ ];
       };
     };
   };
diff --git a/npins/default.nix b/npins/default.nix
index e5e274a..ae29155 100644
--- a/npins/default.nix
+++ b/npins/default.nix
@@ -3,65 +3,63 @@ let
   data = builtins.fromJSON (builtins.readFile ./sources.json);
   version = data.version;
 
-  mkSource = spec:
-    assert spec ? type; let
+  mkSource =
+    spec:
+    assert spec ? type;
+    let
       path =
-        if spec.type == "Git"
-        then mkGitSource spec
-        else if spec.type == "GitRelease"
-        then mkGitSource spec
-        else if spec.type == "PyPi"
-        then mkPyPiSource spec
-        else if spec.type == "Channel"
-        then mkChannelSource spec
-        else builtins.throw "Unknown source type ${spec.type}";
+        if spec.type == "Git" then
+          mkGitSource spec
+        else if spec.type == "GitRelease" then
+          mkGitSource spec
+        else if spec.type == "PyPi" then
+          mkPyPiSource spec
+        else if spec.type == "Channel" then
+          mkChannelSource spec
+        else
+          builtins.throw "Unknown source type ${spec.type}";
     in
-      spec // {outPath = path;};
+    spec // { outPath = path; };
 
-  mkGitSource = {
-    repository,
-    revision,
-    url ? null,
-    hash,
-    ...
-  }:
+  mkGitSource =
+    {
+      repository,
+      revision,
+      url ? null,
+      hash,
+      ...
+    }:
     assert repository ? type;
     # At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository
     # In the latter case, there we will always be an url to the tarball
-      if url != null
-      then
-        (builtins.fetchTarball {
-          inherit url;
-          sha256 = hash; # FIXME: check nix version & use SRI hashes
-        })
-      else
-        assert repository.type == "Git";
-          builtins.fetchGit {
-            url = repository.url;
-            rev = revision;
-            # hash = hash;
-          };
+    if url != null then
+      (builtins.fetchTarball {
+        inherit url;
+        sha256 = hash; # FIXME: check nix version & use SRI hashes
+      })
+    else
+      assert repository.type == "Git";
+      builtins.fetchGit {
+        url = repository.url;
+        rev = revision;
+        # hash = hash;
+      };
 
-  mkPyPiSource = {
-    url,
-    hash,
-    ...
-  }:
+  mkPyPiSource =
+    { url, hash, ... }:
     builtins.fetchurl {
       inherit url;
       sha256 = hash;
     };
 
-  mkChannelSource = {
-    url,
-    hash,
-    ...
-  }:
+  mkChannelSource =
+    { url, hash, ... }:
     builtins.fetchTarball {
       inherit url;
       sha256 = hash;
     };
 in
-  if version == 3
-  then builtins.mapAttrs (_: mkSource) data.pins
-  else throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`"
+if version == 3 then
+  builtins.mapAttrs (_: mkSource) data.pins
+else
+  throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`"
diff --git a/shell.nix b/shell.nix
index 0d9af5e..a6bdf20 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1 +1 @@
-(import ./. {}).shell
+(import ./. { }).shell
diff --git a/tests/testmodule.nix b/tests/testmodule.nix
index 8b1fef0..cc9ae5f 100644
--- a/tests/testmodule.nix
+++ b/tests/testmodule.nix
@@ -11,6 +11,4 @@ let
     };
   };
 in
-((import ../. {}).evalModules {
-  modules = [ module ];
-}).config.statelessUptimeKuma.build.json
+((import ../. { }).evalModules { modules = [ module ]; }).config.statelessUptimeKuma.build.json
diff --git a/uptime-kuma-api.nix b/uptime-kuma-api.nix
index 75baeba..e9e3b33 100644
--- a/uptime-kuma-api.nix
+++ b/uptime-kuma-api.nix
@@ -1,11 +1,12 @@
-{ lib
-, buildPythonPackage
-, fetchFromGitHub
-, setuptools
-, wheel
-, packaging
-, python-socketio
-, requests
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  wheel,
+  packaging,
+  python-socketio,
+  requests,
 }:
 
 buildPythonPackage rec {