Update PoseAnnotator.py

PoseAnnotator.py

@@ -12,6 +12,8 @@ model2 = YOLO("yolo11s-pose.pt")
 # build pose annotator
 def pose_annotate(image:str, pose_annotator:str) -> Image.Image:
   """
+  Annotates human postures detected in an image
+  
   Args:
     image: the path to the image file
     pose_annotator: the type of annotator to use