dyndnsc: format with nixfmt

pkgs/applications/networking/dyndns/dyndnsc/default.nix

@@ -1,7 +1,8 @@
-{ lib
-, stdenv
-, python3Packages
-, fetchPypi
+{
+  lib,
+  stdenv,
+  python3Packages,
+  fetchPypi,
 }:
 
 python3Packages.buildPythonApplication rec {
@@ -19,17 +20,11 @@ python3Packages.buildPythonApplication rec {
       --replace-fail '"pytest-runner"' ""
   '';
 
-  pythonRelaxDeps = [
-    "bottle"
-  ];
+  pythonRelaxDeps = [ "bottle" ];
 
-  build-system = with python3Packages; [
-    setuptools
-  ];
+  build-system = with python3Packages; [ setuptools ];
 
-  nativeBuildInputs = with python3Packages; [
-    pythonRelaxDepsHook
-  ];
+  nativeBuildInputs = with python3Packages; [ pythonRelaxDepsHook ];
 
   dependencies = with python3Packages; [
     daemonocle
@@ -46,13 +41,15 @@ python3Packages.buildPythonApplication rec {
     pytestCheckHook
   ];
 
-  disabledTests = [
+  disabledTests =
+    [
       # dnswanip connects to an external server to discover the
       # machine's IP address.
       "dnswanip"
       # AssertionError
       "test_null_dummy"
-  ] ++ lib.optionals stdenv.isDarwin [
+    ]
+    ++ lib.optionals stdenv.isDarwin [
       # The tests that spawn a server using Bottle cannot be run on
       # macOS or Windows as the default multiprocessing start method
       # on those platforms is 'spawn', which requires the code to be