[bwHdrRead] There was an error while reading in the header!
[pyBwOpen] bw is NULL!
Traceback (most recent call last):
  File "/home/groups/akundaje/soumyak/miniconda3/envs/chrombpnet/bin/chrombpnet", line 33, in <module>
    sys.exit(load_entry_point('chrombpnet', 'console_scripts', 'chrombpnet')())
  File "/home/groups/akundaje/soumyak/chrombpnet/chrombpnet/CHROMBPNET.py", line 23, in main
    pipelines.chrombpnet_train_pipeline(args)
  File "/home/groups/akundaje/soumyak/chrombpnet/chrombpnet/pipelines.py", line 37, in chrombpnet_train_pipeline
    find_chrombpnet_hyperparams.main(args_copy)
  File "/home/groups/akundaje/soumyak/chrombpnet/chrombpnet/helpers/hyperparameters/find_chrombpnet_hyperparams.py", line 70, in main
    bw = pyBigWig.open(args.bigwig) 
RuntimeError: Received an error during file opening!