error for input file

[peylight]

Hello
what's problem?

# ./wig.py -l peyw.txt 

wig - WebApp Information Gatherer


Scanning https://de.wordpress.com...
Traceback (most recent call last):
  File "./wig.py", line 12, in <module>
    wig.run()
  File "/root/web_apps/wig/wig/wig.py", line 276, in run
    self.scan_site()
  File "/root/web_apps/wig/wig/wig.py", line 148, in scan_site
    self.data['cache'].load()
  File "/root/web_apps/wig/wig/classes/cache.py", line 166, in load
    for cache_file in os.listdir(self.cache_dir):
AttributeError: 'Cache' object has no attribute 'cache_dir'