“索引器错误：字符串索引超出范围”。从g2gtools应用程序

Question

我正在运行一个生物信息学软件来创建一个自定义的gtf文件。我不确定生物信息学的细节在这里有什么关系。 我是一个生物学家，所以对计算机程序只有基本的了解。我已经能算出几个错误，但这一个对我来说毫无意义。在

• 程序运行一段时间并提供所需的输出，但当程序的25%已运行时，它会给出以下错误：

回溯（最近一次呼叫）：

File "/home/everestial007/anaconda2/bin/g2gtools", line 4, in <module>
    __import__('pkg_resources').run_script('g2gtools==0.1.27', 'g2gtools')

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/setuptools-20.3-py2.7.egg/pkg_resources/__init__.py", line 726, in run_script

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/setuptools-20.3-py2.7.egg/pkg_resources/__init__.py", line 1484, in run_script

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/EGG-INFO/scripts/g2gtools", line 117, in <module>
    G2GToolsApp()

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/EGG-INFO/scripts/g2gtools", line 75, in __init__
    getattr(self, args.command)()

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/EGG-INFO/scripts/g2gtools", line 78, in convert
    g2gtools.g2g_commands.command_convert(sys.argv[2:], self.script_name + ' convert')

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/g2gtools/g2g_commands.py", line 89, in command_convert
    file_convert(args.chain, args.input, args.output, args.format, args.reverse)

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/g2gtools/g2g.py", line 62, in file_convert
    convert_gtf_file(chain_file=chain_file, input_file=input_file, output_file=output_file, reverse=reverse)

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/g2gtools/gtf.py", line 156, in convert_gtf_file
    for record in gtf_file:

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/g2gtools/gtf.py", line 49, in next
    self.current_record = parse_gtf_line(self.current_line)

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/g2gtools/gtf.py", line 101, in parse_gtf_line
    'attributes': parse_attributes(elem[8])

File "/home/everestial007/anaconda2/lib/python2.7/site-packages/g2gtools-0.1.27-py2.7.egg/g2gtools/gtf.py", line 67, in parse_attributes
    if val[0] == '"':
IndexError: string index out of range***

我已经能够导航到相应的文件夹，找到合适的文件，打开它并找到特定的行和消息。在

1）我不清楚不同子目录的行是如何和为什么相关的。错误信息的意思是什么？在

2）我在结尾处得到“IndexError:string index out of range”？这是什么意思？我在想第if val[0] == '"':行中的编码有问题