SyntaxError: invalid syntax

[Vanoss-hy]

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(tensorflow1) C:\tensorflow1\models\research\object_detection>python train.py --logtostderr -train_dir=training/ --pipeline_config_path=training/ssd_mobilenet_v2_quantized_300x300_coco.config 2021-06-18 19:48:25.922052: W tensorflow/stream_executor/platform/default/dso_loader.cc:59] Could not load dynamic library 'cudart64_101.dll'; dlerror: cudart64_101.dll not found 2021-06-18 19:48:25.922247: I tensorflow/stream_executor/cuda/cudart_stub.cc:29] Ignore above cudart dlerror if you do not have a GPU set up on your machine. Traceback (most recent call last): File "train.py", line 53, in from object_detection.builders import model_builder File "C:\tensorflow1\models\research\object_detection\builders\model_builder.py", line 70, in from object_detection.models import ssd_efficientnet_bifpn_feature_extractor as ssd_efficientnet_bifpn File "C:\tensorflow1\models\research\object_detection\models\ssd_efficientnet_bifpn_feature_extractor.py", line 34, in from official.vision.image_classification.efficientnet import efficientnet_model File "C:\tensorflow1\models\official\vision\image_classification\efficientnet\efficientnet_model.py", line 44 input_filters: int = 0 ^ SyntaxError: invalid syntax

when running the final code to start training. this occurred. hope guys could give me some advice.