diff --git a/noxfile.py b/noxfile.py
index 07dce37a..efffb854 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,4 +1,5 @@
 """Automation using nox."""
+
 import glob
 import os
 
diff --git a/src/dvc_data/hashfile/__init__.py b/src/dvc_data/hashfile/__init__.py
index 99668720..6086608e 100644
--- a/src/dvc_data/hashfile/__init__.py
+++ b/src/dvc_data/hashfile/__init__.py
@@ -1,4 +1,5 @@
 """DVC data."""
+
 import logging
 from collections.abc import Iterator
 from typing import TYPE_CHECKING, Union, cast
diff --git a/src/dvc_data/hashfile/_ignore.py b/src/dvc_data/hashfile/_ignore.py
index d5d1d1db..30e4bd0c 100644
--- a/src/dvc_data/hashfile/_ignore.py
+++ b/src/dvc_data/hashfile/_ignore.py
@@ -8,8 +8,6 @@
 
 
 class Ignore(Protocol):
-    def find(self, fs: "FileSystem", path: "AnyFSPath") -> Iterator["AnyFSPath"]:
-        ...
+    def find(self, fs: "FileSystem", path: "AnyFSPath") -> Iterator["AnyFSPath"]: ...
 
-    def walk(self, fs: "FileSystem", path: "AnyFSPath", **kwargs: Any):
-        ...
+    def walk(self, fs: "FileSystem", path: "AnyFSPath", **kwargs: Any): ...
diff --git a/src/dvc_data/hashfile/state.py b/src/dvc_data/hashfile/state.py
index 557680ea..bb6ef761 100644
--- a/src/dvc_data/hashfile/state.py
+++ b/src/dvc_data/hashfile/state.py
@@ -1,4 +1,5 @@
 """Manages state database used for checksum caching."""
+
 import json
 import logging
 import os
diff --git a/src/dvc_data/hashfile/tree.py b/src/dvc_data/hashfile/tree.py
index 75361f37..b4e28da8 100644
--- a/src/dvc_data/hashfile/tree.py
+++ b/src/dvc_data/hashfile/tree.py
@@ -212,7 +212,7 @@ def load(cls, odb, hash_info, hash_name: Optional[str] = None) -> "Tree":
 
         return tree
 
-    def filter(self, prefix: tuple[str]) -> Optional["Tree"]:  # noqa: A003
+    def filter(self, prefix: tuple[str]) -> Optional["Tree"]:
         """Return a filtered copy of this tree that only contains entries
         inside prefix.
 
diff --git a/src/dvc_data/index/index.py b/src/dvc_data/index/index.py
index 71bc5156..97069d3a 100644
--- a/src/dvc_data/index/index.py
+++ b/src/dvc_data/index/index.py
@@ -86,7 +86,7 @@ def _trie(self):
         return SQLiteTrie()
 
     @classmethod
-    def open(cls, path):  # noqa: A003
+    def open(cls, path):
         ret = cls()
         ret._trie = SQLiteTrie.open(path)
         return ret
@@ -642,7 +642,7 @@ def _onerror(_, exc):
         self.update(*args, **kwargs)
 
     @classmethod
-    def open(cls, path):  # noqa: A003
+    def open(cls, path):
         ret = cls()
         ret._trie = DataIndexTrie.open(path)
         return ret