chore: lint source code using Ruff

tests/unit/utils/test_assert_that_is_instance.py

@@ -12,10 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from src.jcloud_docsgen.utils import assert_that_is_instance
-import pytest
 import types
 
+import pytest
+
+from src.jcloud_docsgen.utils import assert_that_is_instance
+
 
 class TestType: ...
 

tests/unit/utils/test_get_relative_path_segments.py

@@ -12,10 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from src.jcloud_docsgen.utils import get_relative_path_segments
-import pytest
 import pathlib
 
+import pytest
+
+from src.jcloud_docsgen.utils import get_relative_path_segments
+
 
 @pytest.mark.parametrize(
     'path,root,expected',

tests/unit/utils/test_human_readable_list.py

@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from src.jcloud_docsgen.utils import human_readable_list
 import pytest
 
+from src.jcloud_docsgen.utils import human_readable_list
+
 
 @pytest.mark.parametrize(
     'ls,final_separator,quotation_mark,expected',

tests/unit/utils/test_non_empty_str.py

@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from src.jcloud_docsgen.utils import non_empty_str
 import pytest
 
+from src.jcloud_docsgen.utils import non_empty_str
+
 
 @pytest.mark.parametrize(
     'value,expected',