Exception 'AutoCompleter' object has no attribute 'command_names'

[ErichBSchulz]

Issue

on startup - I think I pressed tab....

erich@erich-nuc:~/sage$ aider-ce
──────────────────────────────────────────────────────────────────────────────────────────────────────
Newer aider version v0.88.19 is available.

/home/erich/.local/share/uv/tools/aider-ce/bin/python -m pip install --upgrade --upgrade-strategy 
only-if-needed aider-chat
──────────────────────────────────────────────────────────────────────────────────────────────────────

Unhandled exception in event loop:
  File "/home/erich/.local/share/uv/tools/aider-ce/lib/python3.11/site-packages/prompt_toolkit/buffer.py", line 1923, in new_coroutine
    await coroutine(*a, **kw)
  File "/home/erich/.local/share/uv/tools/aider-ce/lib/python3.11/site-packages/prompt_toolkit/buffer.py", line 1740, in async_completer
    async for completion in async_generator:
  File "/home/erich/.local/share/uv/tools/aider-ce/lib/python3.11/site-packages/prompt_toolkit/completion/base.py", line 310, in get_completions_async
    async for completion in completer.get_completions_async(
  File "/home/erich/.local/share/uv/tools/aider-ce/lib/python3.11/site-packages/prompt_toolkit/completion/base.py", line 268, in get_completions_async
    async for completion in async_generator:
  File "/home/erich/.local/share/uv/tools/aider-ce/lib/python3.11/site-packages/prompt_toolkit/eventloop/async_generator.py", line 125, in generator_to_async_generator
    await runner_f
  File "/home/erich/.local/share/uv/python/cpython-3.11.11-linux-x86_64-gnu/lib/python3.11/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/erich/.local/share/uv/tools/aider-ce/lib/python3.11/site-packages/prompt_toolkit/eventloop/async_generator.py", line 78, in runner
    for item in get_iterable():
  File "/home/erich/aider-ce/aider/io.py", line 256, in get_completions
    yield from self.get_command_completions(document, complete_event, text, words)
  File "/home/erich/aider-ce/aider/io.py", line 207, in get_command_completions
    candidates = [cmd for cmd in self.command_names if cmd.startswith(partial)]
                                 ^^^^^^^^^^^^^^^^^^

Exception 'AutoCompleter' object has no attribute 'command_names'
Press ENTER to continue...
> n                                                                                                   

^CCost estimates may be inaccurate when using streaming and caching.
Aider v0.88.19.dev+less
Main model: gemini/gemini-2.5-pro with diff-fenced edit format
Weak model: gemini/gemini-2.5-flash-lite
Git repo: .git with 172 files
Repo-map: using 4096 tokens, files refresh
Multiline mode: Enabled. Enter inserts newline, Alt-Enter submits text
──────────────────────────────────────────────────────────────────────────────────────────────────────
Readonly: ../bin/convention.md                                         

Version and model info

No response