diff --git a/tests/conftest.py b/tests/conftest.py
index 34941eb..ede6c26 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -31,8 +31,7 @@ def _create_toml(
     ) -> Path:
         content = content or {}
         config_toml = toml.dumps(content)
-        toml_path = create_tmp_file(content=config_toml, filename=filename)
-        return toml_path
+        return create_tmp_file(content=config_toml, filename=filename)
 
     return _create_toml
 
@@ -48,7 +47,6 @@ def _create_pyproject_toml(
     ) -> Path:
         content = content or {"bar": "baz"}
         config_dict = {"tool": {section_name: content}}
-        pyproject_path = create_toml(filename=filename, content=config_dict)
-        return pyproject_path
+        return create_toml(filename=filename, content=config_dict)
 
     return _create_pyproject_toml
diff --git a/tests/unit/config_sources/test_toml_source.py b/tests/unit/config_sources/test_toml_source.py
index 027e163..22c883b 100644
--- a/tests/unit/config_sources/test_toml_source.py
+++ b/tests/unit/config_sources/test_toml_source.py
@@ -4,7 +4,7 @@
 from textwrap import dedent
 from typing import Callable
 
-from pytest import raises
+import pytest
 
 from maison.config_sources.toml_source import TomlSource
 from maison.errors import BadTomlError
@@ -44,5 +44,5 @@ def test_toml_decode_error(self, create_toml: Callable[..., Path]) -> None:
         toml_source = TomlSource(filepath=toml_path, project_name="acme")
 
         error_regex = re.escape(f"Error trying to load toml file '{str(toml_path)}'")
-        with raises(BadTomlError, match=error_regex):
+        with pytest.raises(BadTomlError, match=error_regex):
             toml_source.to_dict()
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index 117caa5..b8fa115 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -6,9 +6,7 @@
 from unittest.mock import MagicMock
 from unittest.mock import patch
 
-from pytest import mark
-from pytest import param
-from pytest import raises
+import pytest
 
 from maison.utils import deep_merge
 from maison.utils import get_file_path
@@ -125,16 +123,16 @@ def test_absolute_path_not_exist(self) -> None:
 class TestDeepMerge:
     """Tests for the `deep_merge` function."""
 
-    @mark.parametrize(
-        "a,b,expected",
+    @pytest.mark.parametrize(
+        ("a", "b", "expected"),
         [
-            param(
+            pytest.param(
                 {1: 2, 3: 4},
                 {3: 5, 6: 7},
                 {1: 2, 3: 5, 6: 7},
                 id="simple",
             ),
-            param(
+            pytest.param(
                 {1: 2, 3: {4: 5, 6: 7}},
                 {3: {6: 8, 9: 10}, 11: 12},
                 {1: 2, 3: {4: 5, 6: 8, 9: 10}, 11: 12},
@@ -165,5 +163,5 @@ def test_incompatible_dicts(self) -> None:
         dict_a = {1: 2, 2: 5}
         dict_b = {1: {3: 4}}
 
-        with raises(RuntimeError):
+        with pytest.raises(RuntimeError):
             deep_merge(dict_a, dict_b)