sys.meta_path A list of meta path finder objects that have their

traceback.format_exception(etype, value, tb, limit=None, chain=True) Format a stack trace and the exception information. The

sys.settrace(tracefunc) Set the system’s trace function, which allows you to implement a Python source code debugger in Python

gc.is_tracked(obj) Returns True if the object is currently tracked by the garbage collector, False

inspect.unwrap(func, *, stop=None) Get the object wrapped by func. It follows the chain of __wrapped__

sys.exec_prefix A string giving the site-specific directory prefix where the platform-dependent Python files are installed;

fpectl.turnoff_sigfpe() Reset default handling of floating point exceptions.

__context__ A TracebackException of the original __context__.

inspect.cleandoc(doc) Clean up indentation from docstrings that are indented to line up with blocks of code.

warnings.simplefilter(action, category=Warning, lineno=0, append=False) Insert a simple entry into the list of warnings