Update app.py

app.py

@@ -7,7 +7,7 @@ from utils import get_mediapipe_pose
 from process_frame import ProcessFrame
 from thresholds import get_thresholds_beginner, get_thresholds_pro
 
-sample_video = os.path.join(os.path.dirname(__file__), "samples/test_squats.mp4")
+sample_video = os.path.join(os.path.dirname(__file__), "samples/sample-squats.mp4")
 
 
 # Initialize face mesh solution