Check if an upgrade is being researched
        Return values:
        0: not started
        0 < x < 1: researching
        1: finished

def already_pending_upgrade(self, upgrade_type: UpgradeId) -> Union[int, float]:
        """ Check if an upgrade is being researched
        Return values:
        0: not started
        0 < x < 1: researching
        1: finished
        """
        assert isinstance(upgrade_type, UpgradeId)
        if upgrade_type in self.state.upgrades:
            return 1
        level = None
        if "LEVEL" in upgrade_type.name:
            level = upgrade_type.name[-1]
        creationAbilityID = self._game_data.upgrades[upgrade_type.value].research_ability.id
        for structure in self.units.structure.ready:
            for order in structure.orders:
                if order.ability.id is creationAbilityID:
                    if level and order.ability.button_name[-1] != level:
                        return 0
                    return order.progress
        return 0