Running without dry_mode throws Unknown format code 'd'

[Philipp91]

Traceback (most recent call last):
  File "C:\Users\USERNAME\picasa2digikam\main.py", line 66, in <module>
    main()
  File "C:\Users\USERNAME\picasa2digikam\main.py", line 46, in main
    backup_path = f'{args.digikam_db}.bak.{time.time():d}'
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: Unknown format code 'd' for object of type 'float'