Table of Contents
sys
sysconfig
__builtin__
future_builtins
__main__
warnings
warnings.filterwarnings()
warnings.formatwarning()
warnings.resetwarnings()
warnings.showwarning()
warnings.simplefilter()
warnings.warn()
warnings.warn_explicit()
warnings.warnpy3k()
contextlib
abc
atexit
traceback
__future__
gc
inspect
site
user
warnings.
warn
Issue a warning, or maybe ignore it or raise an exception.