diff --git a/Tests/oss-fuzz/fuzz_font.py b/Tests/oss-fuzz/fuzz_font.py
index ec3a4b2de..3cea56fd7 100755
--- a/Tests/oss-fuzz/fuzz_font.py
+++ b/Tests/oss-fuzz/fuzz_font.py
@@ -19,9 +19,9 @@ import sys
 import warnings
 
 import atheris_no_libfuzzer as atheris
-
 import fuzzers
 
+
 def TestOneInput(data):
     try:
         fuzzers.fuzz_font(data)
diff --git a/Tests/oss-fuzz/fuzz_pillow.py b/Tests/oss-fuzz/fuzz_pillow.py
index 695e9e5eb..8112dd9a0 100644
--- a/Tests/oss-fuzz/fuzz_pillow.py
+++ b/Tests/oss-fuzz/fuzz_pillow.py
@@ -18,9 +18,9 @@ import io
 import sys
 import warnings
 
+import atheris_no_libfuzzer as atheris
 import fuzzers
 
-import atheris_no_libfuzzer as atheris
 
 def TestOneInput(data):
     try:
@@ -31,6 +31,7 @@ def TestOneInput(data):
         return
     return
 
+
 def main():
     fuzzers.enable_decompressionbomb_error()
     atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
diff --git a/Tests/oss-fuzz/fuzzers.py b/Tests/oss-fuzz/fuzzers.py
index f7c395e76..c3fa1f0ce 100644
--- a/Tests/oss-fuzz/fuzzers.py
+++ b/Tests/oss-fuzz/fuzzers.py
@@ -1,13 +1,15 @@
-import warnings
 import io
+import warnings
+
+from PIL import Image, ImageDraw, ImageFile, ImageFilter, ImageFont, PcfFontFile
 
-from PIL import Image, ImageFont, ImageDraw, ImageFilter, ImageFile, PcfFontFile
 
 def enable_decompressionbomb_error():
     ImageFile.LOAD_TRUNCATED_IMAGES = True
     warnings.filterwarnings("ignore")
     warnings.simplefilter("error", Image.DecompressionBombWarning)
 
+
 def fuzz_image(data):
     # This will fail on some images in the corpus, as we have many
     # invalid images in the test suite.
@@ -16,6 +18,7 @@ def fuzz_image(data):
         im.filter(ImageFilter.DETAIL)
         im.save(io.BytesIO(), "BMP")
 
+
 def fuzz_font(data):
     # This should not fail on a valid font load for any of the fonts in the corpus
     wrapper = io.BytesIO(data)
@@ -30,4 +33,4 @@ def fuzz_font(data):
     with Image.new(mode="RGBA", size=(200, 200)) as im:
         draw = ImageDraw.Draw(im)
         draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2)
-        draw.text((10,10), "Test Text", font=font, fill="#000")
+        draw.text((10, 10), "Test Text", font=font, fill="#000")
diff --git a/Tests/oss-fuzz/test_fuzzers.py b/Tests/oss-fuzz/test_fuzzers.py
index 56b1ee9a0..aa13ff1b2 100644
--- a/Tests/oss-fuzz/test_fuzzers.py
+++ b/Tests/oss-fuzz/test_fuzzers.py
@@ -1,31 +1,40 @@
-import pytest
-
-import fuzzers
 import glob
 import subprocess
 
+import fuzzers
+import pytest
+
 from PIL import Image
 
-@pytest.mark.parametrize("path", subprocess.check_output('find Tests/images -type f', shell=True).split(b'\n'))
+
+@pytest.mark.parametrize(
+    "path",
+    subprocess.check_output("find Tests/images -type f", shell=True).split(b"\n"),
+)
 def test_fuzz_images(path):
     fuzzers.enable_decompressionbomb_error()
     try:
-        with open(path, 'rb') as f:
+        with open(path, "rb") as f:
             fuzzers.fuzz_image(f.read())
             assert True
     except (OSError, SyntaxError, MemoryError, ValueError, NotImplementedError):
         # Known exceptions that are through from Pillow
         assert True
-    except (Image.DecompressionBombError, Image.DecompressionBombWarning,
-            Image.UnidentifiedImageError):
+    except (
+        Image.DecompressionBombError,
+        Image.DecompressionBombWarning,
+        Image.UnidentifiedImageError,
+    ):
         # Known Image.* exceptions
         assert True
 
 
-@pytest.mark.parametrize("path", subprocess.check_output('find Tests/fonts -type f', shell=True).split(b'\n'))
+@pytest.mark.parametrize(
+    "path", subprocess.check_output("find Tests/fonts -type f", shell=True).split(b"\n")
+)
 def test_fuzz_fonts(path):
-    if not path or b'LICENSE.txt' in path or b'.pil' in path:
+    if not path or b"LICENSE.txt" in path or b".pil" in path:
         return
-    with open(path, 'rb') as f:
+    with open(path, "rb") as f:
         fuzzers.fuzz_font(f.read())
         assert True