diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index 748e1cd..aae18d2 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -28,7 +28,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'
         cache-dependency-path: pyproject.toml
-    - name: Install FFmpeg & Poppler 
+    - name: Install FFmpeg & Poppler
       run: |
         sudo apt update
         sudo apt install ffmpeg poppler-utils
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 94059d6..a8719d6 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,7 +12,7 @@ repos:
       exclude: ".*(galleria|photoswipe|jquery|leaflet).*$"
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.14.1
+  rev: v0.15.0
   hooks:
     - id: ruff-check
       args: [ --fix, --show-fixes, --exit-non-zero-on-fix ]
diff --git a/src/sigal/plugins/nonmedia_files.py b/src/sigal/plugins/nonmedia_files.py
index 91a0dc6..d46801b 100644
--- a/src/sigal/plugins/nonmedia_files.py
+++ b/src/sigal/plugins/nonmedia_files.py
@@ -119,7 +119,9 @@ def process_thumb(media):
 
     if plugin_settings.get("ext_as_thumb", DEFAULT_CONFIG["ext_as_thumb"]):
         if pdf2img and media.src_ext.lower() == ".pdf":
-            images = pdf2img(media.src_path, single_file=True, size=settings["thumb_size"])
+            images = pdf2img(
+                media.src_path, single_file=True, size=settings["thumb_size"]
+            )
             images[0].save(media.thumb_path)
         else:
             kwargs = {}
diff --git a/tests/sample/pictures/nonmedia_files/dummy.txt b/tests/sample/pictures/nonmedia_files/dummy.txt
index 8b13789..e69de29 100644
--- a/tests/sample/pictures/nonmedia_files/dummy.txt
+++ b/tests/sample/pictures/nonmedia_files/dummy.txt
@@ -1 +0,0 @@
-
diff --git a/tests/test_settings.py b/tests/test_settings.py
index e08e09f..922e67e 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -36,10 +36,7 @@ def test_img_sizes(tmpdir):
     """Test that image size is swaped if needed."""
 
     conf = tmpdir.join("sigal.conf.py")
-    conf.write(
-        "img_size = (600, 800)\n"
-        "thumb_size = (150, 200)"
-    )
+    conf.write("img_size = (600, 800)\nthumb_size = (150, 200)")
 
     settings = read_settings(str(conf))
     assert settings["img_size"] == (800, 600)