diff --git a/private_gpt/settings/yaml.py b/private_gpt/settings/yaml.py
index 9fc357a1..a129ca49 100644
--- a/private_gpt/settings/yaml.py
+++ b/private_gpt/settings/yaml.py
@@ -10,7 +10,7 @@ _env_replace_matcher = re.compile(r"\$\{(\w|_)+:?.*}")
 
 @typing.no_type_check  # pyaml does not have good hints, everything is Any
 def load_yaml_with_envvars(
-        stream: TextIO, environ: dict[str, Any] = os.environ
+    stream: TextIO, environ: dict[str, Any] = os.environ
 ) -> dict[str, Any]:
     """Load yaml file with environment variable expansion.
 
diff --git a/tests/settings/test_settings_loader.py b/tests/settings/test_settings_loader.py
index 8f4a6cf6..8183c4e6 100644
--- a/tests/settings/test_settings_loader.py
+++ b/tests/settings/test_settings_loader.py
@@ -32,7 +32,6 @@ def test_environment_defaults_variables_are_loaded_with_duplicated_delimiters()
     assert loaded["replaced"] == ":duped::"
 
 
-
 def test_environment_without_defaults_fails() -> None:
     sample_yaml = """
     replaced: ${TEST_REPLACE_ME}