search not properly working

[zerohat]

Traceback (most recent call last):
File "/usr/local/bin/nvdcve", line 197, in
sys.exit(main(sys.argv))
File "/usr/local/bin/nvdcve", line 136, in main
good, skipped, total, cves = x.search_opts(search_opts)
File "/usr/local/lib/python2.7/dist-packages/Nvd/NvdCve.py", line 92, in search_opts
return self.db_search_opts(opts)
File "/usr/local/lib/python2.7/dist-packages/Nvd/NvdCveDb.py", line 785, in db_search_opts
return (good, skipped, total, cve_table)
UnboundLocalError: local variable 'cve_table' referenced before assignment