def max_in_list_size(self):
        return None
Convert a python dictionary into block header list.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/db/backends/__init__.py/BaseDatabaseOperations.max_in_list_size--crossover with--dataset/ETHPy150Open jjhelmus/nmrglue/nmrglue/fileio/varian.py/dic2blockheader