warnings.simplefilter()

warnings.simplefilter(action, category=<type 'exceptions.Warning'>, lineno=0, append=0)

Insert a simple entry into the list of warnings filters (at the front).

A simple filter matches all modules and messages. ‘action’ – one of “error”, “ignore”, “always”, “default”, “module”,

or “once”

‘category’ – a class that the warning must be a subclass of ‘lineno’ – an integer line number, 0 matches all warnings ‘append’ – if true, append to the list of filters