Sitting dogs on leads are pulled.

The dog is pulled while it's sitting.

What I expected to happen was...:
I thought that it would not move the dog or not be able to lead it when its sitting.

What actually happened was...:
The dog was sitting down and looked like it was dragging its butt across the floor. ow

Steps to Reproduce:
1. Make a lead.
2. Make a dog sit.
3. Put a lead on the sitting dog.
4. Move around.
5. Watch as the dog drags it's butt on the floor.