diff --git a/fish/fish_cli/core/client.py b/fish/fish_cli/core/client.py
index e407c65..436857d 100644
--- a/fish/fish_cli/core/client.py
+++ b/fish/fish_cli/core/client.py
@@ -24,8 +24,7 @@ def _get_headers(self, extra: dict[str, str] | None = None) -> dict[str, str]:
         """Get request headers with authentication."""
         if not self.api_token:
             raise FishAuthError(
-                "API token not configured. "
-                "Set ACEDATACLOUD_API_TOKEN or use --token option."
+                "API token not configured. Set ACEDATACLOUD_API_TOKEN or use --token option."
             )
         headers = {
             "accept": "application/json",
diff --git a/fish/tests/test_commands.py b/fish/tests/test_commands.py
index 5817365..3e114a7 100644
--- a/fish/tests/test_commands.py
+++ b/fish/tests/test_commands.py
@@ -62,9 +62,7 @@ def test_tts_json(self, runner, mock_tts_response):
         respx.post("https://api.acedata.cloud/fish/tts").mock(
             return_value=Response(200, json=mock_tts_response)
         )
-        result = runner.invoke(
-            cli, ["--token", "test-token", "tts", "Hello, world!", "--json"]
-        )
+        result = runner.invoke(cli, ["--token", "test-token", "tts", "Hello, world!", "--json"])
         assert result.exit_code == 0
         data = json.loads(result.output)
         assert "audio_url" in data
@@ -226,9 +224,7 @@ def test_tts_async(self, runner, mock_tts_async_response):
         route = respx.post("https://api.acedata.cloud/fish/tts").mock(
             return_value=Response(200, json=mock_tts_async_response)
         )
-        result = runner.invoke(
-            cli, ["--token", "test-token", "tts", "Hello", "--async", "--json"]
-        )
+        result = runner.invoke(cli, ["--token", "test-token", "tts", "Hello", "--async", "--json"])
         assert result.exit_code == 0
         sent = json.loads(route.calls[0].request.content)
         assert sent["async"] is True
@@ -238,9 +234,7 @@ def test_tts_async_rich_output(self, runner, mock_tts_async_response):
         respx.post("https://api.acedata.cloud/fish/tts").mock(
             return_value=Response(200, json=mock_tts_async_response)
         )
-        result = runner.invoke(
-            cli, ["--token", "test-token", "tts", "Hello", "--async"]
-        )
+        result = runner.invoke(cli, ["--token", "test-token", "tts", "Hello", "--async"])
         assert result.exit_code == 0
         assert "2725a2d3" in result.output