Update app.py

app.py

@@ -73,6 +73,7 @@
 #                                   mp_drawing.DrawingSpec(color=(245,66,230), thickness=2, circle_radius=2))
 #         return image
 
+import os
 import streamlit as st
 import cv2
 import mediapipe as mp
@@ -179,7 +180,6 @@ class VideoProcessor:
                             )
         return
 
-
 # Define Streamlit app
 def main():
     st.title("Real-time Exercise Detection")