Uncaught AttributeError in base_coder.py line 223

Aider version: 0.86.2.dev+less
Python version: 3.12.12
Platform: macOS-26.1-arm64-arm-64bit
Python implementation: CPython
Virtual environment: Yes
OS: Darwin 25.1.0 (64bit)
Git version: git version 2.51.2

An uncaught exception occurred:

Traceback (most recent call last):
  File "aider", line 7, in <module>
    sys.exit(main())
             ^^^^^^
  File "main.py", line 1012, in main
    coder.show_announcements()
  File "base_coder.py", line 556, in show_announcements
    for line in self.get_announcements():
                ^^^^^^^^^^^^^^^^^^^^^^^^
  File "base_coder.py", line 223, in get_announcements
    thinking_tokens = main_model.get_thinking_tokens()
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'Model' object has no attribute 'get_thinking_tokens'