[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

detect_faces.py

@@ -1,19 +1,23 @@
 import os
+
 from PIL import Image
 
+
 def detect_faces(image_path):
     """Detect faces in the given image path."""
     # Validate input
     if not os.path.exists(image_path):
         raise FileNotFoundError(f"The file {image_path} does not exist.")
-    if not image_path.lower().endswith(('.png', '.jpg', '.jpeg')):
-        raise ValueError("Unsupported image format. Please use .png, .jpg, or .jpeg files.")
-
+    if not image_path.lower().endswith((".png", ".jpg", ".jpeg")):
+        raise ValueError(
+            "Unsupported image format. Please use .png, .jpg, or .jpeg files."
+        )
+
     try:
         image = Image.open(image_path)
     except IOError:
         raise ValueError("The image file is corrupted or cannot be opened.")
-    
+
     # Face detection logic here...
     faces = []  # Replace with actual face detection logic
     return faces