bugfix for 'empty collection'

batch = []

# skip on empty collections

if not list(collections):

col=list(collections)

if not col:

    print ("Empty collections, import skipped")

    sys.exit(2)

for item in progressbar(list(collections)):

for item in progressbar(col):

    for cpeentry in item['vulnerable_configuration']:

        checkdup = cpeother.find(({'id': cpeentry}))

        if checkdup.count() <= 0:

            entry = cpe.find(({'id': cpeentry}))

            if entry.count() <= 0:

                title = cpeentry

                title = title[7:]

                title = title[10:]

                title = title.replace(':-:', ' ',10)

                title = title.replace(':', ' ',10)

                title = title.replace('_', ' ',10)