def __init__(self, upd_checker,<EOL>params_modifier=lambda x,u: x):
self.func= upd_checker<EOL>self.param_next= params_modifier<EOL>
:param upd_checker:
    a function that returns if
    there was update
    :inp: dict
    :returns: Bool
:param params_modifier:
    a function that maps previous params
    every time request done and provides
    info if there was updates
    :inp: (dict,bool)
    :returns: dict