_warnings provides basic warning filtering support.
It is a helper module to speed up interpreter start-up.

Functions
		warn(...) Issue a warning, or maybe ignore it or raise an exception. warn_explicit(...) Low-level inferface to warnings functionality.

Data
		default_action = 'default' filters = [('ignore', <_sre.SRE_Pattern object>, <type 'exceptions.DeprecationWarning'>, <_sre.SRE_Pattern object>, 0), ('ignore', None, <type 'exceptions.DeprecationWarning'>, None, 0), ('ignore', None, <type 'exceptions.PendingDeprecationWarning'>, None, 0), ('ignore', None, <type 'exceptions.ImportWarning'>, None, 0), ('ignore', None, <type 'exceptions.BytesWarning'>, None, 0)] once_registry = {}