Update app.py

app.py

@@ -7,8 +7,12 @@ import os
 net = cv2.dnn.readNet('yolov3.weights', 'yolov3.cfg')
 
 # Enable GPU (if available)
-net.setPreferableBackend(cv2.dnn.DNN_BACKEND_CUDA)
-net.setPreferableTarget(cv2.dnn.DNN_TARGET_CUDA)
+#net.setPreferableBackend(cv2.dnn.DNN_BACKEND_CUDA)
+#net.setPreferableTarget(cv2.dnn.DNN_TARGET_CUDA)
+
+# Set backend to CPU
+net.setPreferableBackend(cv2.dnn.DNN_BACKEND_OPENCV)
+net.setPreferableTarget(cv2.dnn.DNN_TARGET_CPU)
 
 # Load class names
 with open('coco.names', 'r') as f: