'neighboring_window' command does not work after 'nex_layout' command triggered

[zk4]

Issue

'neighboring_window' command does not work after 'nex_layout' command triggered.

Env

kitty 0.16.0 release
Mac 10.12.6

My Config

map cmd+shift+d next_layout
map cmd+d     new_window_with_cwd
enabled_layouts Horizontal,Vertical,Grid,Tall,Stack,Fat


map ctrl+cmd+h neighboring_window left
map ctrl+cmd+l neighboring_window right
map ctrl+cmd+j neighboring_window down
map ctrl+cmd+k neighboring_window up

How to reproduce the issue

1. Open kitty 0.16.0 kitty --listen-on unix:/tmp/mykitty --debug-keyboard
2. Press cmd+d twice to create two window
3. ctrl+cmd+h / j /k /l works fine.
4. Press cmd+shift+d to change layout to the above.
   
5. Issue happended, ctrl+cmd+h / j /k /l won't work.

Logs

on_key_input: glfw key: 74 native_code: 0x26 action: PRESS mods: 0xa text: '' state: 0 Traceback (most recent call last):
  File "kitty/boss.py", line 540, in dispatch_special_key
  File "kitty/boss.py", line 612, in dispatch_action
  File "kitty/tabs.py", line 401, in neighboring_window
  File "kitty/layout.py", line 238, in neighbors
  File "kitty/layout.py", line 800, in neighbors_for_window
  File "kitty/layout.py", line 548, in neighbors_for_window
AttributeError: 'Grid' object has no attribute 'num_full_size_windows'
sent key to child

and kitty 0.15.1 works fine

[kovidgoyal]

Works for me. You forgot to specify what layouts you are using.

[zk4]

@kovidgoyal
layout sequence:
enabled_layouts Horizontal,Vertical,Grid,Tall,Stack,Fat

[zk4]

in step 5:
with kitty --listen-on unix:/tmp/mykitty --debug-keyboard
kitty 0.16.0 produce this log , meanwhile 0.15.1 does not.

on_key_input: glfw key: 74 native_code: 0x26 action: PRESS mods: 0xa text: '' state: 0 Traceback (most recent call last):
  File "kitty/boss.py", line 540, in dispatch_special_key
  File "kitty/boss.py", line 612, in dispatch_action
  File "kitty/tabs.py", line 401, in neighboring_window
  File "kitty/layout.py", line 238, in neighbors
  File "kitty/layout.py", line 800, in neighbors_for_window
  File "kitty/layout.py", line 548, in neighbors_for_window
AttributeError: 'Grid' object has no attribute 'num_full_size_windows'
sent key to child

[zk4]

@kovidgoyal You are just amazing!