.. desc:: Files with doctests to include in the pytest runner
>>> from importlib import util as importlib_util
>>> def load_module(name, path):
... module_spec = importlib_util.spec_from_file_location(name, path)
... module = importlib_util.module_from_spec(module_spec)
... module_spec.loader.exec_module(module)
... return module
>>> date = load_module('.', 'src/date/date.py')
>>> extras = load_module('.', 'src/date/extras.py')
>>> from functools import partial
>>> import doctest
>>> from asserts import assert_equal as eq, assert_not_equal as ne
>>> testmod = partial(doctest.testmod, verbose=False, optionflags=4 | 8 | 32)
date modules
>>> _ = testmod(date); ne(_.attempted, 0); eq(_.failed, 0)
>>> _ = testmod(extras); ne(_.attempted, 0); eq(_.failed, 0)