No such command when using filter

[thistleknot]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:
(py310) C:\Users\user\Documents\dev\grpo rag agent>code2prompt --path . --filter "**.py"
Usage: code2prompt [OPTIONS] COMMAND [ARGS]...
Try 'code2prompt --help' for help.

Error: No such command 'core_rag.py'.

python 3.10
windows