diff --git a/org_rw/org_rw.py b/org_rw/org_rw.py
index cefbe5e..970f641 100644
--- a/org_rw/org_rw.py
+++ b/org_rw/org_rw.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
-from typing import Dict, Optional, TextIO
-from datetime import timedelta
+
 import collections
 import difflib
 import logging
@@ -9,12 +8,21 @@ import re
 import sys
 from datetime import date, datetime, timedelta
 from enum import Enum
-from typing import cast, Iterator, List, Literal, Optional, Tuple, TypedDict, Union
-
-from .types import HeadlineDict
+from typing import (
+    Dict,
+    Iterator,
+    List,
+    Literal,
+    Optional,
+    TextIO,
+    Tuple,
+    TypedDict,
+    Union,
+    cast,
+)
 
 from . import dom
-
+from .types import HeadlineDict
 
 DEBUG_DIFF_CONTEXT = 10
 
diff --git a/org_rw/utils.py b/org_rw/utils.py
index 405c62b..5b8b4e5 100644
--- a/org_rw/utils.py
+++ b/org_rw/utils.py
@@ -6,16 +6,15 @@ from .org_rw import (
     Headline,
     Italic,
     Line,
-    RawLine,
     ListItem,
+    RawLine,
     Strike,
     Text,
     Underlined,
     Verbatim,
+    dump_contents,
 )
 
-from .org_rw import dump_contents
-
 
 def get_hl_raw_contents(doc: Headline) -> str:
     lines = []
diff --git a/tests/test_org.py b/tests/test_org.py
index 97b8a04..6a54395 100644
--- a/tests/test_org.py
+++ b/tests/test_org.py
@@ -2,9 +2,6 @@ import os
 import unittest
 from datetime import datetime as DT
 
-from org_rw import MarkerToken, MarkerType, Timestamp, dumps, load, loads, dom
-import org_rw
-
 from utils.assertions import (
     BOLD,
     CODE,
@@ -19,6 +16,9 @@ from utils.assertions import (
     Tokens,
 )
 
+import org_rw
+from org_rw import MarkerToken, MarkerType, Timestamp, dom, dumps, load, loads
+
 DIR = os.path.dirname(os.path.abspath(__file__))
 
 
diff --git a/tests/test_timestamp.py b/tests/test_timestamp.py
index 7d69d13..f7e0eca 100644
--- a/tests/test_timestamp.py
+++ b/tests/test_timestamp.py
@@ -1,7 +1,9 @@
 """Test the Timestamp object."""
 
-import pytest
 from datetime import date, datetime
+
+import pytest
+
 from org_rw import Timestamp