@abc.abstractclassmethod A subclass of the built-in

inspect.getclosurevars(func) Get the mapping of external name references in a Python function or method func to their

gc.isenabled() Returns true if automatic collection is enabled.

sys.setdlopenflags(n) Set the flags used by the interpreter for dlopen() calls, such as when the interpreter loads

__subclasshook__(subclass) (Must be defined as a class method.) Check whether subclass

inspect.ismemberdescriptor(object) Return true if the object is a member descriptor.

inspect.getmoduleinfo(path) Returns a named tuple ModuleInfo(name, suffix, mode

sys.getsizeof(object[, default]) Return the size of an object in bytes. The object can be any type of object. All built-in objects

inspect.getcoroutinestate(coroutine) Get current state of a coroutine object. The function is intended to be used with coroutine

__cause__ A TracebackException of the original __cause__.