def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def on_fuzzing_end_changed(self, value: int):
        self.ui.spinBoxFuzzingStart.setMaximum(self.ui.spinBoxFuzzingEnd.value())
        new_end = self.message.convert_index(value - 1, self.proto_view, 0, False)[1] + 1
        self.current_label.end = new_end
        self.current_label.fuzz_values[:] = []
        self.update_message_data_string()
        self.fuzz_table_model.update()
        self.ui.tblFuzzingValues.resize_me()