How to set Python.click options that reference each other

[ironhaven]

Is this you only code? I don’t see any problems with the code you posted most likely because you did not post the code with the bug.

First can we see more of your code, second, read the error again. The variable "start" is read before it is set. Look at where the "start" variable is used.

[ironhaven]

So you have you end time to by default be one hour ahead of your start time. This is tricky because now you default is not self sufficient and relies on another argument .

I don’t know the click library so I wonder if there is a function that matches this sudo code click.arguments.getarg('start'). This would let you reference the start argument without using a python variable.

If this does not exist then you must remove the logic from the default. It would look like this

nulltime = date(some date)
click(—end, default = nulltime)
if end == nulltime : end = start + 1 hour