[bug]: ZeroDivisionError: division by zero

[katjen1]

Is there an existing issue for this problem?

• I have searched the existing issues

Operating system

Windows

GPU vendor

Nvidia (CUDA)

GPU model

GTX 1070

GPU VRAM

8GB

Version number

5.7.0

Browser

Brave

Python dependencies

No response

What happened

While trying to choose less than 0.3 Denoising strength, this Server Error apears: "ZeroDivisionError: division by zero",
and generating fails. with 0.3 Denoising strength and above, everything works perfectly. what is wrong?
(using locally InvokeAI community edition, latest 5.7.0 version)

What you expected to happen

normal generating

How to reproduce the problem

No response

Additional context

No response

Discord username

No response

[psychedelicious]

Denoising strength maps to a percentage of step count.

It could be that this percentage gets floored (rounded down) and used as a divisor. If low enough to round down to zero, we could get this error.

Just an idea - will take digging into the code to confirm.