Loading pickeldb just after successful attempt fails

[ts0924]

This issue seems coming from pickled.
The following code ammended this issue, just reporting.

def load(location, auto_dump, sig = True):
    '''Return a pickledb object. location is the path to the json file.'''
    db = False
    while db == False:
        try:
            db = PickleDB(location, auto_dump, sig)
        except:
            db = False
    return db