Update app.py

app.py

@@ -197,6 +197,7 @@ import streamlit as st
 from streamlit_webrtc import webrtc_streamer
 import av
 import queue
+from typing import List
 
 # Logging setup
 logger = logging.getLogger(__name__)
@@ -220,6 +221,7 @@ def calculate_angle(a, b, c):
         angle = 360 - angle
     return angle
 
+
 # Detection Queue
 result_queue: queue.Queue[List[Detection]] = queue.Queue()
 
@@ -284,6 +286,7 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
     return av.VideoFrame.from_ndarray(image, format="bgr24")
 
 
+
 # WebRTC streamer configuration
 webrtc_streamer(
     key="squat-detection",