diff --git a/nixos/tests/fsck.nix b/nixos/tests/fsck.nix
index f943bb7f2350..e522419fde2b 100644
--- a/nixos/tests/fsck.nix
+++ b/nixos/tests/fsck.nix
@@ -1,4 +1,4 @@
-import ./make-test.nix {
+import ./make-test-python.nix {
   name = "fsck";
 
   machine = { lib, ... }: {
@@ -14,16 +14,18 @@ import ./make-test.nix {
   };
 
   testScript = ''
-    $machine->waitForUnit('default.target');
+    machine.wait_for_unit("default.target")
 
-    subtest "root fs is fsckd", sub {
-      $machine->succeed('journalctl -b | grep "fsck.ext4.*/dev/vda"');
-    };
+    with subtest("root fs is fsckd"):
+        machine.succeed("journalctl -b | grep 'fsck.ext4.*/dev/vda'")
 
-    subtest "mnt fs is fsckd", sub {
-      $machine->succeed('journalctl -b | grep "fsck.*/dev/vdb.*clean"');
-      $machine->succeed('grep "Requires=systemd-fsck@dev-vdb.service" /run/systemd/generator/mnt.mount');
-      $machine->succeed('grep "After=systemd-fsck@dev-vdb.service" /run/systemd/generator/mnt.mount');
-    };
+    with subtest("mnt fs is fsckd"):
+        machine.succeed("journalctl -b | grep 'fsck.*/dev/vdb.*clean'")
+        machine.succeed(
+            "grep 'Requires=systemd-fsck@dev-vdb.service' /run/systemd/generator/mnt.mount"
+        )
+        machine.succeed(
+            "grep 'After=systemd-fsck@dev-vdb.service' /run/systemd/generator/mnt.mount"
+        )
   '';
 }