Python 3.x 当我运行conda下载的qtl seq命令时，我得到了错误。我正在执行以下命令

回溯（最近一次呼叫最后一次）：

检查=真）

输出=标准输出，标准输出=标准输出）

文件“/home/jthakur/anaconda2/bin/qtlseq”，第11行，在 加载入口点（“qtlseq”、“控制台脚本”、“qtlseq”）（）

QTLseq（args.run（））

下院议员

self.concat（）

sys.exit（）

[QTL-seq:2019-10-09 09:13:37] !!ERROR!! bcftools concat -a -O z -o Chikpea_qtl/30_vcf/qtlseq.vcf.gz Chikpea_qtl/30_vcf/qtlseq.*.vcf.gz >> Chikpea_qtl/log/bcftools.log 2>&1
Failed to open Chikpea_qtl/30_vcf/qtlseq.NW_004516646.1.vcf.gz: could not load index

File "/home/jthakur/Desktop/Software/QTL-seq/qtlseq/mpileup.py", line 191, in concat

File "/home/jthakur/anaconda2/lib/python3.6/subprocess.py", line 438, in run

subprocess.CalledProcessError: Command 'bcftools concat -a -O z -o Chikpea_qtl/30_vcf/qtlseq.vcf.gz Chikpea_qtl/30_vcf/qtlseq.*.vcf.gz >> Chikpea_qtl/log/bcftools.log 2>&1' returned non-zero exit status 255.
Traceback (most recent call last):

File "/home/jthakur/Desktop/Software/QTL-seq/qtlseq/qtlseq.py", line 192, in main

File "/home/jthakur/Desktop/Software/QTL-seq/qtlseq/qtlseq.py", line 123, in mpileup

File "/home/jthakur/Desktop/Software/QTL-seq/qtlseq/mpileup.py", line 232, in run

File "/home/jthakur/Desktop/Software/QTL-seq/qtlseq/mpileup.py", line 194, in concat

NameError: name 'sys' is not defined