AttributeError: 'list' object has no attribute 'values'

[jason-rietzke]

I'm trying to run piper on an Ubuntu22.04 LTS server and am running Python3.11 but it doesn't seem to work and crashes with the following error:

I already ran piper successfully on a different machine once but I'm a little lost on what the problem might be. Any ideas?

Thanks

[jason-rietzke]

It seems to work just fine with v1.1.0 - I think this was the version I tested a while ago. Would be nice to know which requirements changed :)

[jn64]

Can't repro with piper-tts 1.2.0 and Python 3.11 in a Ubuntu 22.04 LTS image.

Try using a venv, don't use system-wide pip (even with --user). It's too easy to mess up.

mkdir new-piper-project
cd new-piper-project
python3.11 -v venv .venv
. .venv/bin/activate
pip install piper-tts
echo 'Welcome to the world of speech synthesis!' | piper --model en_US-lessac-medium --output_file welcome.wav

welcome.wav is created successfully.

---

Note that when you install Python 3.11 on Ubuntu 22.04, the system Python is still an older version (3.10.12?).

You may need to install python3.11-venv via apt if you previously only installed python3.11 or python3.11-minimal (and not python3.11-full)

[jason-rietzke]

Ok I understand - thanks you very much 🙂

[xandark]

An easier way to install piper into a virtual environment and make it instantly accessible on $PATH:

pip  install pipx
pipx install piper-tts --include-deps

then simply run it:

echo 'Welcome to the world of speech synthesis!' | piper --model en_US-lessac-medium --output_file welcome.wav

pipx is great for this kind of package.