diff --git a/pkgs/development/python-modules/cirq-google/default.nix b/pkgs/development/python-modules/cirq-google/default.nix
index 900189dc2edb..34c6c3f09df5 100644
--- a/pkgs/development/python-modules/cirq-google/default.nix
+++ b/pkgs/development/python-modules/cirq-google/default.nix
@@ -27,5 +27,8 @@ buildPythonPackage rec {
     protobuf
   ];
 
-  checkInputs = [ pytestCheckHook freezegun ];
+  checkInputs = [
+    freezegun
+    pytestCheckHook
+  ];
 }