diff --git a/linter-requirements.txt b/linter-requirements.txt
index c262708..b25090e 100644
--- a/linter-requirements.txt
+++ b/linter-requirements.txt
@@ -1,5 +1,5 @@
 bandit==1.7.7
-black==23.12.1
+black==24.1.1
 flake8==7.0.0
 isort==5.13.2
 pydocstyle[toml]==6.3.0
diff --git a/pictures/models.py b/pictures/models.py
index e923869..00192a2 100644
--- a/pictures/models.py
+++ b/pictures/models.py
@@ -44,9 +44,11 @@ def url(self) -> str:
                 kwargs={
                     "alt": Path(self.parent_name).stem,
                     "width": self.width,
-                    "ratio": f"{self.aspect_ratio.numerator}x{self.aspect_ratio.denominator}"
-                    if self.aspect_ratio
-                    else None,
+                    "ratio": (
+                        f"{self.aspect_ratio.numerator}x{self.aspect_ratio.denominator}"
+                        if self.aspect_ratio
+                        else None
+                    ),
                     "file_type": self.file_type,
                 },
             )
diff --git a/pictures/utils.py b/pictures/utils.py
index 646f11d..a80f55d 100644
--- a/pictures/utils.py
+++ b/pictures/utils.py
@@ -41,7 +41,11 @@ def _media_query(*, container_width: int = None, **breakpoints: {str: int}):
             prev_width = width
         prev_ratio = ratio
     if prev_ratio:
-        yield f"{math.floor(prev_ratio * container_width)}px" if container_width else f"{math.floor(prev_ratio * 100)}vw"
+        yield (
+            f"{math.floor(prev_ratio * container_width)}px"
+            if container_width
+            else f"{math.floor(prev_ratio * 100)}vw"
+        )
     else:
         warnings.warn(
             "Your container is smaller than all your breakpoints.", UserWarning
diff --git a/tests/testapp/settings.py b/tests/testapp/settings.py
index cddc9b2..087a0e2 100644
--- a/tests/testapp/settings.py
+++ b/tests/testapp/settings.py
@@ -9,6 +9,7 @@
 For the full list of settings and their values, see
 https://docs.djangoproject.com/en/4.0/ref/settings/
 """
+
 import os
 from pathlib import Path