diff --git a/src/faster_whisper_server/text_utils.py b/src/faster_whisper_server/text_utils.py
index 87ccea24..4ffa408e 100644
--- a/src/faster_whisper_server/text_utils.py
+++ b/src/faster_whisper_server/text_utils.py
@@ -3,7 +3,6 @@
 import re
 from typing import TYPE_CHECKING
 
-
 if TYPE_CHECKING:
     from collections.abc import Iterable
 
diff --git a/tests/speech_test.py b/tests/speech_test.py
index ca3fb61e..a4bece0d 100644
--- a/tests/speech_test.py
+++ b/tests/speech_test.py
@@ -1,5 +1,9 @@
 import io
 
+from openai import APIConnectionError, AsyncOpenAI, UnprocessableEntityError
+import pytest
+import soundfile as sf
+
 from faster_whisper_server.routers.speech import (
     DEFAULT_MODEL,
     DEFAULT_RESPONSE_FORMAT,
@@ -7,14 +11,11 @@
     SUPPORTED_RESPONSE_FORMATS,
     ResponseFormat,
 )
-from openai import APIConnectionError, AsyncOpenAI, UnprocessableEntityError
-import pytest
-import soundfile as sf
 
 DEFAULT_INPUT = "Hello, world!"
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 @pytest.mark.parametrize("response_format", SUPPORTED_RESPONSE_FORMATS)
 async def test_create_speech_formats(openai_client: AsyncOpenAI, response_format: ResponseFormat) -> None:
     await openai_client.audio.speech.create(
@@ -34,7 +35,7 @@ async def test_create_speech_formats(openai_client: AsyncOpenAI, response_format
 ]
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 @pytest.mark.parametrize(("model", "voice"), GOOD_MODEL_VOICE_PAIRS)
 async def test_create_speech_good_model_voice_pair(openai_client: AsyncOpenAI, model: str, voice: str) -> None:
     await openai_client.audio.speech.create(
@@ -54,7 +55,7 @@ async def test_create_speech_good_model_voice_pair(openai_client: AsyncOpenAI, m
 ]
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 @pytest.mark.parametrize(("model", "voice"), BAD_MODEL_VOICE_PAIRS)
 async def test_create_speech_bad_model_voice_pair(openai_client: AsyncOpenAI, model: str, voice: str) -> None:
     # NOTE: not sure why `APIConnectionError` is sometimes raised
@@ -70,7 +71,7 @@ async def test_create_speech_bad_model_voice_pair(openai_client: AsyncOpenAI, mo
 SUPPORTED_SPEEDS = [0.25, 0.5, 1.0, 2.0, 4.0]
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 async def test_create_speech_with_varying_speed(openai_client: AsyncOpenAI) -> None:
     previous_size: int | None = None
     for speed in SUPPORTED_SPEEDS:
@@ -90,7 +91,7 @@ async def test_create_speech_with_varying_speed(openai_client: AsyncOpenAI) -> N
 UNSUPPORTED_SPEEDS = [0.1, 4.1]
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 @pytest.mark.parametrize("speed", UNSUPPORTED_SPEEDS)
 async def test_create_speech_with_unsupported_speed(openai_client: AsyncOpenAI, speed: float) -> None:
     with pytest.raises(UnprocessableEntityError):
@@ -106,7 +107,7 @@ async def test_create_speech_with_unsupported_speed(openai_client: AsyncOpenAI,
 VALID_SAMPLE_RATES = [16000, 22050, 24000, 48000]
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 @pytest.mark.parametrize("sample_rate", VALID_SAMPLE_RATES)
 async def test_speech_valid_resample(openai_client: AsyncOpenAI, sample_rate: int) -> None:
     res = await openai_client.audio.speech.create(
@@ -123,7 +124,7 @@ async def test_speech_valid_resample(openai_client: AsyncOpenAI, sample_rate: in
 INVALID_SAMPLE_RATES = [7999, 48001]
 
 
-@pytest.mark.asyncio()
+@pytest.mark.asyncio
 @pytest.mark.parametrize("sample_rate", INVALID_SAMPLE_RATES)
 async def test_speech_invalid_resample(openai_client: AsyncOpenAI, sample_rate: int) -> None:
     with pytest.raises(UnprocessableEntityError):