Fix typo

hub_module/modules/image/object_detection/yolov3_resnet34_coco2017/module.py

@@ -27,7 +27,7 @@ from yolov3_resnet34_coco2017.yolo_head import MultiClassNMS, YOLOv3Head
     "Baidu's YOLOv3 model for object detection with backbone ResNet34, trained with dataset coco2017.",
     author="paddlepaddle",
     author_email="paddle-dev@baidu.com")
-class YOLOv3DarkNet53Coco2017(hub.Module):
+class YOLOv3ResNet34Coco2017(hub.Module):
     def _initialize(self):
         self.default_pretrained_model_path = os.path.join(
             self.directory, "yolov3_resnet34_model")