Update app.py

app.py

@@ -138,8 +138,11 @@ def load_known_faces():
         face_recognizer.train(known_faces, np.array([i for i in range(len(known_faces))]))
     else:
         st.warning("No known faces found for training.")
+    
+    return known_names
 
-load_known_faces()
+# Load known faces at the start
+known_names = load_known_faces()
 
 # Process frame for both emotion detection and face recognition
 def process_frame(frame):