activate the venv and pip install git+https://github.com/huggingface/parler-tts.git or windows portable embedded python H:\ComfyUI_windows_portable\python_embeded\python.exe -m pip install git+https://github.com/huggingface/parler-tts.git

IF ffmpy fails follow @dminGod instructions

Download the file from : https://pypi.org/project/ffmpy/#files Extract the code Change the code in the setup.py to comment out the import of the ffmpy module (line 4, #from ffmpy import version Change the version to the actual version using string (line 8) version="0.3.0", cd Use the python environment / binary where you want to install it and run setup.py:

setup.py This should install the ffmpy

H:\ComfyUI_windows_portable\python_embeded\python.exe -m pip install importlib_resources