diff --git a/2021/d05/ex1/ex1.py b/2021/d05/ex1/ex1.py
index 2031251..065c9a4 100755
--- a/2021/d05/ex1/ex1.py
+++ b/2021/d05/ex1/ex1.py
@@ -3,7 +3,7 @@
 import itertools
 import sys
 from collections import Counter
-from typing import Iterable, List, NamedTuple, Tuple
+from typing import Iterable, List, Tuple, NamedTuple
 
 
 class Point(NamedTuple):
diff --git a/2021/d05/ex2/ex2.py b/2021/d05/ex2/ex2.py
index a023b80..b3ead14 100755
--- a/2021/d05/ex2/ex2.py
+++ b/2021/d05/ex2/ex2.py
@@ -3,7 +3,7 @@
 import itertools
 import sys
 from collections import Counter
-from typing import Iterable, List, NamedTuple, Tuple
+from typing import Iterable, List, Tuple, NamedTuple
 
 
 class Point(NamedTuple):
diff --git a/2021/d06/ex1/ex1.py b/2021/d06/ex1/ex1.py
index 5eec9ce..2f21557 100755
--- a/2021/d06/ex1/ex1.py
+++ b/2021/d06/ex1/ex1.py
@@ -6,6 +6,7 @@ from collections import Counter
 from dataclasses import dataclass
 from typing import Iterator, List, TypeVar
 
+
 T = TypeVar("T")
 
 
diff --git a/2021/d06/ex2/ex2.py b/2021/d06/ex2/ex2.py
index 2e64423..16dd7f7 100755
--- a/2021/d06/ex2/ex2.py
+++ b/2021/d06/ex2/ex2.py
@@ -6,6 +6,7 @@ from collections import Counter
 from dataclasses import dataclass
 from typing import Iterator, List, TypeVar
 
+
 T = TypeVar("T")