train_chart.py 训练出错:ValueError: signal number 32 out of range

[Cm744]

_loading all datasets...
using 1 threads
loading from cache file: /home/cmvmlsky/DeepRule/data/bardata_1031/cache/chart_train2019.pkl
loading annotations into memory...
/home/cmvmlsky/DeepRule/data/bardata_1031/bar/annotations/instancesBar(1031)_train2019.json
Done (t=13.22s)
creating index...
index created!
loading from cache file: /home/cmvmlsky/DeepRule/data/bardata_1031/cache/chart_val2019.pkl
loading annotations into memory...
/home/cmvmlsky/DeepRule/data/bardata_1031/bar/annotations/instancesBar(1031)_val2019.json
Done (t=0.30s)
creating index...
index created!
system config...
{'batch_size': 26,
'cache_dir': '/home/cmvmlsky/DeepRule/data/bardata_1031/cache',
'chunk_sizes': [5, 7, 7, 7],
'config_dir': './config',
'data_dir': '/home/cmvmlsky/DeepRule/data/bardata_1031',
'data_rng': RandomState(MT19937) at 0x7FE76B4DD150,
'dataset': 'Bar',
'decay_rate': 10,
'display': 5,
'learning_rate': 0.00025,
'max_iter': 50000,
'nnet_rng': RandomState(MT19937) at 0x7FE6DEA79BA0,
'opt_algo': 'adam',
'prefetch_size': 5,
'pretrain': None,
'result_dir': './results',
'sampling_function': 'kp_detection',
'snapshot': 5000,
'snapshot_name': 'CornerNetPureBar',
'stepsize': 45000,
'tar_data_dir': 'cls',
'test_split': 'testchart',
'train_split': 'trainchart',
'val_iter': 100,
'val_split': 'valchart',
'weight_decay': False,
'weight_decay_rate': 1e-05,
'weight_decay_type': 'l2'}
db config...
{'ae_threshold': 0.5,
'border': 128,
'categories': 1,
'data_aug': True,
'gaussian_bump': True,
'gaussian_iou': 0.3,
'gaussian_radius': -1,
'input_size': [511, 511],
'lighting': True,
'max_per_image': 100,
'merge_bbox': False,
'nms_algorithm': 'exp_soft_nms',
'nms_kernel': 3,
'nms_threshold': 0.5,
'output_sizes': [[128, 128]],
'rand_color': True,
'rand_crop': True,
'rand_pushes': False,
'rand_samples': False,
'rand_scale_max': 1.4,
'rand_scale_min': 0.6,
'rand_scale_step': 0.1,
'rand_scales': array([0.6, 0.7, 0.8, 0.9, 1. , 1.1, 1.2, 1.3]),
'special_crop': False,
'test_scales': [1],
'top_k': 100,
'weight_exp': 8}
len of db: 158140
building model...
module_file: models.CornerNetPureBar
use kp pure
total parameters: 198592652
start prefetching data...
setting learning rate to: 0.00025
training start...
shuffling indices...
Exception in thread Thread-1:
Traceback (most recent call last):
File "/home/cmvmlsky/miniconda3/envs/DeepRule/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "/home/cmvmlsky/miniconda3/envs/DeepRule/lib/python3.6/threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "/home/cmvmlsky/miniconda3/envs/DeepRule/lib/python3.6/multiprocessing/resource_sharer.py", line 139, in _serve
signal.pthread_sigmask(signal.SIG_BLOCK, range(1, signal.NSIG))
File "/home/cmvmlsky/miniconda3/envs/DeepRule/lib/python3.6/signal.py", line 60, in pthread_sigmask
sigs_set = _signal.pthread_sigmask(how, mask)
ValueError: signal number 32 out of range

['read.txt']
^M 0%| | 0/50000 [00:00<?, ?it/s]
534,1 Bot_

Could you please help fix this error?
usually this error is because the num_worker is too large. However, in your codes I cannot see regular dataloader and num_worker.