diff --git a/pkgs/development/python-modules/sanic-testing/tests.nix b/pkgs/development/python-modules/sanic-testing/tests.nix
index a8871c0b513..7c2b94d9590 100644
--- a/pkgs/development/python-modules/sanic-testing/tests.nix
+++ b/pkgs/development/python-modules/sanic-testing/tests.nix
@@ -1,5 +1,4 @@
 { buildPythonPackage
-, sanic
 , sanic-testing
 , pytest-asyncio
 , pytestCheckHook
@@ -10,6 +9,7 @@ buildPythonPackage {
   inherit (sanic-testing) version;
 
   src = sanic-testing.testsout;
+  format = "other";
 
   dontBuild = true;
   dontInstall = true;
@@ -17,7 +17,7 @@ buildPythonPackage {
   nativeCheckInputs = [
     pytest-asyncio
     pytestCheckHook
-    sanic
+    sanic-testing
   ];
 
   pythonImportsCheck = [