def usage():
    print("""
Usage:
first argument is a cPickle file to load
if no more arguments are supplied, will analyze each field of the root-level object stored in the file
subsequent arguments let you index into fields / dictionary entries of the object
For example,
pkl_inspector.py foo.pkl .my_field [my_key] 3
will load an object obj from foo.pkl and analyze obj.my_field["my_key"][3]
""")
Decorator that activates manual transaction control. It just disables
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/scripts/pkl_inspector.py/usage--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/transaction.py/commit_manually