fix my mistake on f-string in core.py

        for index, option in enumerate(self.OPTIONS):

            print(f"[{index + 1}] {option[0]}")

        if self.PROJECT_URL:

            print(f"[{98}] Open project page}")

            print(f"[{98}] Open project page")

        print(f"[{99}] Back to {parent.TITLE if parent is not None else 'Exit'}")

        option_index = input("Select an option : ")

        try: