diff --git a/pre_commit/commands/run.py b/pre_commit/commands/run.py
index 6a22ab93..60e0f11e 100644
--- a/pre_commit/commands/run.py
+++ b/pre_commit/commands/run.py
@@ -126,7 +126,11 @@ class Classifier:
         return Classifier(filenames)
 
 
-def _get_skips(environ: MutableMapping[str, str], args: argparse.Namespace, hooks: list[Hook]) -> set[str]:
+def _get_skips(
+        environ: MutableMapping[str, str],
+        args: argparse.Namespace,
+        hooks: list[Hook],
+) -> set[str]:
     skips = environ.get('SKIP', '')
     environ_skips = {skip.strip() for skip in skips.split(',') if skip.strip()}
     context_skips = {h.id for h in hooks if args.all_files and not h.run_all}
diff --git a/tests/commands/run_test.py b/tests/commands/run_test.py
index 03d741e0..fa87dd3f 100644
--- a/tests/commands/run_test.py
+++ b/tests/commands/run_test.py
@@ -594,7 +594,7 @@ def test_compute_cols(hooks, expected):
     ),
 )
 def test_get_skips(environ, expected_output):
-    ret = _get_skips(environ)
+    ret = _get_skips(environ, args=mock.MagicMock(), hooks=mock.MagicMock())
     assert ret == expected_output
 
 
diff --git a/tests/repository_test.py b/tests/repository_test.py
index 252c126c..513270c3 100644
--- a/tests/repository_test.py
+++ b/tests/repository_test.py
@@ -1019,6 +1019,7 @@ def test_manifest_hooks(tempdir_factory, store):
         types_or=[],
         verbose=False,
         fail_fast=False,
+        run_all=True,
     )