sample to look at post-mortem pdb

post_mortem_test

def first():
    jj = 'qqq'
    jj = second()
    print jj

def second():
    jj = 'www'
    1/0
    return jj

try:
    first()
except Exception, e:
    import sys
    import pdb
    pdb.post_mortem(sys.exc_info()[2])