diff --git a/test/common/functions.py b/test/common/functions.py
index 0c72fe318..bdb4a7474 100644
--- a/test/common/functions.py
+++ b/test/common/functions.py
@@ -1,7 +1,7 @@
 from amaranth import *
 from amaranth.hdl.ast import Statement
 from amaranth.sim.core import Command
-from typing import TYPE_CHECKING, Generator, Any, TypeAlias, TypeVar, Union
+from typing import TypeVar, Any, Generator, TypeAlias, TYPE_CHECKING, Union
 from coreblocks.utils._typing import RecordValueDict, RecordIntDict
 
 if TYPE_CHECKING: