Lista zwrotna DocString Tuple

import requests
def example_function(list_var, str_var, num_var, request_var):
    """One line function explanation.

    :param list_var:
    :type list_var: list of str
    :param str_var:
    :type str_var: str or unicode
    :param num_var:
    :type num_var: int
    :param request_var:
    :type request_var: requests.models.Request
    :return:
    :rtype: (list of dict) or None
    """
    return [{}]


example_function(
    ['a', 'b'],
    u'unicode accepted because stated',
    1.234,
    requests.Request('GET', 'http://going/somewhere')
)
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