Plugins porblem

I have a problem with some external plugins (e.g. Chua), they appear to be installed (I see them in the Csound opcodes list) but do not work. They were installed via risset, on mac M3.
Thanks in advance for any help.
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nadirm3@MBP-di-nadirM3 ~ % /Users/nadirm3/Library/Python/3.9/bin/risset listopcodes
/Users/nadirm3/Library/Python/3.9/lib/python/site-packages/urllib3/init.py:35: NotOpenSSLWarning: urllib3 v2 only supports OpenSSL 1.1.1+, currently the ‘ssl’ module is compiled with ‘LibreSSL 2.8.3’. See: urllib3>=2.0 does not work with system Python on macOS · Issue #3020 · urllib3/urllib3 · GitHub
warnings.warn(