TypeError: 'int' object is not callable

[xiaozhen28]

when i run
CUDA_VISIBLE_DEVICES=4 python3 tools/train.py --config_file='configs/softmax_triplet.yml'

i got error
Engine run is terminating due to exception: 'int' object is not callable Traceback (most recent call last): File "/home/zhenjie/Project/source_code/CAL/reid/tools/train.py", line 88, in <module> main() File "/home/zhenjie/Project/source_code/CAL/reid/tools/train.py", line 84, in main train(cfg) File "/home/zhenjie/Project/source_code/CAL/reid/tools/train.py", line 40, in train do_train( File "./engine/trainer.py", line 159, in do_train trainer.run(train_loader, max_epochs=epochs) File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/engine/engine.py", line 889, in run return self._internal_run() File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/engine/engine.py", line 932, in _internal_run return next(self._internal_run_generator) File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/engine/engine.py", line 990, in _internal_run_as_gen self._handle_exception(e) File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/engine/engine.py", line 644, in _handle_exception raise e File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/engine/engine.py", line 962, in _internal_run_as_gen self._fire_event(Events.EPOCH_COMPLETED) File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/engine/engine.py", line 431, in _fire_event func(*first, *(event_args + others), **kwargs) File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/handlers/checkpoint.py", line 1009, in __call__ super(ModelCheckpoint, self).__call__(engine) File "/home/zhenjie/.conda/envs/trans_reid/lib/python3.9/site-packages/ignite/handlers/checkpoint.py", line 408, in __call__ priority = self.score_function(engine) TypeError: 'int' object is not callable