error: No such file or directory while runing count_snp_density.py

[hackerzone85]

Traceback (most recent call last):
  File "/home/blab/Downloads/snp_calling_scripts/count_snp_density.py", line 44, in <module>
    count(args)
  File "/home/blab/Downloads/snp_calling_scripts/count_snp_density.py", line 15, in count
    records = [record for record in vcf.Reader(open(each, 'r'))]
IOError: [Errno 2] No such file or directory: '#CHROM\tPOS\tID\tREF\tALT\tQUAL\tFILTER\tINFO\tFORMAT\tSample1'

CL2Contig7.txt