Traceback (most recent call last):
  File "/home/emese/miniconda3/envs/vtam/bin/vtam", line 8, in <module>
    sys.exit(main())
  File "/home/emese/miniconda3/envs/vtam/lib/python3.7/site-packages/vtam/__init__.py", line 273, in main
    VTAM(sys.argv[1:])
  File "/home/emese/miniconda3/envs/vtam/lib/python3.7/site-packages/vtam/__init__.py", line 217, in __init__
    blastdbname_str=blastdbname_str, params=params, num_threads=num_threads)
  File "/home/emese/miniconda3/envs/vtam/lib/python3.7/site-packages/vtam/CommandTaxAssign.py", line 180, in main
    params = None)
  File "/home/emese/miniconda3/envs/vtam/lib/python3.7/site-packages/vtam/utils/RunnerTaxAssign.py", line 71, in __init__
    blast_output_tsv = runner_blast.run_local_blast()
  File "/home/emese/miniconda3/envs/vtam/lib/python3.7/site-packages/vtam/utils/RunnerBlast.py", line 68, in run_local_blast
    stdout, stderr = blastn_cline()
  File "/home/emese/miniconda3/envs/vtam/lib/python3.7/site-packages/Bio/Application/__init__.py", line 569, in __call__
    raise ApplicationError(return_code, str(self), stdout_str, stderr_str)
Bio.Application.ApplicationError: Non-zero return code 137 from 'blastn -out /tmp/tmp7zf393qa/RunnerBlast.py/blast_output.tsv -outfmt "6 qseqid sacc pident evalue qcovhsp staxids" -query /tmp/tmp7zf393qa/RunnerTaxAssign.py/variant.fasta -db nt -evalue 1e-05 -qcov_hsp_perc 80 -num_threads 8 -dust yes', message 'FASTA-Reader: Title ends with at least 20 valid nucleotide characters.  Was the sequence accidentally put in the title line?'