Fix requirements and updated app model

app.py

@@ -7,8 +7,9 @@ import tempfile
 import os
 
 # Load the model
-# yolov8n-pose.pt will be automatically downloaded if not present
-model = YOLO('yolov8n-pose.pt')
+# Load the model
+# Using custom model provided by user
+model = YOLO('yolo26x-pose.pt')
 
 def get_angle(p1, p2, p3):
     """

requirements.txt

@@ -1,4 +1,4 @@
 ultralytics
 gradio
-opencv-python
+opencv-python-headless
 numpy