Update app.py

app.py

@@ -7,7 +7,7 @@ def detect_faces(image):
     image_np = np.array(image)
     gray_image = cv2.cvtColor(image_np, cv2.COLOR_RGB2GRAY)
     face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades +     "haarcascade_frontalface_default.xml")
-    faces = face_cascade.detectMultiScale(gray_image,   scaleFactor=1.5, minNeighbors=5, minSize=(30, 30))
+    faces = face_cascade.detectMultiScale(gray_image,   scaleFactor=1.1, minNeighbors=5, minSize=(30, 30))
     for (x, y, w, h) in faces:
         cv2.rectangle(image_np, (x, y), (x+w, y+h), (255, 0, 0), 5)
     return image_np