class typing.MutableSet(AbstractSet[T]) A generic version of

class doctest.DocTestParser A processing class used to extract interactive examples from a string, and use them to create a

Source code: Lib/pydoc.py

@typing.no_type_check(arg) Decorator to indicate that annotations are not type hints. The argument

test.support.import_fresh_module(name, fresh=(), blocked=(), deprecated=False) This function imports and returns a fresh copy

testsRun The total number of tests run so far.

UnexpectedException.exc_info A tuple containing information about the unexpected exception, as returned by

addExpectedFailure(test, err) Called when the test case test fails, but was marked with the expectedFailure()

addFailure(test, err) Called when the test case test signals a failure. err is a tuple of the form returned

addSkip(test, reason) Called when the test case test is skipped. reason is the reason the test gave for skipping