def __cast_str(self, kper, d):
    assert os.path.exists(d), ((("MfList error: dict filename (string) '" + d) + "' value for ") + 'kper {0:d} not found'.format(kper))
    self.__data[kper] = d
    self.__vtype[kper] = str
def __cast_str(self, kper, d):
    assert os.path.exists(d), ((("MfList error: dict filename (string) '" + d) + "' value for ") + 'kper {0:d} not found'.format(kper))
    self.__data[kper] = d
    self.__vtype[kper] = str