FSM object has no attribute 'notifier' in requestNext/requestPrev

[izzyboris]

Description

Attemping to use FSM.requestNext() or FSM.requestPrev() without calling setStateArray() excepts with AttributeError instead of logging as intended.

Steps to Reproduce

from direct.fsm.FSM import FSM
f = FSM("test")
f.requestNext()

Produces:

  File "C:\Panda3D-1.10.14-x64\direct\fsm\FSM.py", line 424, in requestNext
    assert self.notifier.debug(
           ^^^^^^^^^^^^^
AttributeError: 'FSM' object has no attribute 'notifier'

Environment

• Operating system: Windows 11
• System architecture: x64
• Panda3D version: 1.10.14
• Installation method: pip
• Python version (if using Python): 3.11
• Compiler (if using C++): N/A