Resolving unknown option --model' when using piper text to voice

I want to use piper for text to voice. Am using Ubuntu 22.04 LTS and have installed it using the command sudo apt install piper Now running echo 'Hello world' | piper --model en_US-lessac-medium gives me Unknown option --model dpkg -l piper gave a short description of the package installed, "GTK application to configure gaming devices." I then installed piper-tts with pip, and restarted the machine. pip3 install piper-tts Running the command again echo 'Hello world' | piper Traceback (most recent call last): File "/home/hagbard/.local/lib/python3.11/site-packages/numpy/_core/__init__.py", line 22, in from . import multiarray File "/home/hagbard/.local/lib/python3.11/site-packages/numpy/_core/multiarray.py", line 11, in from . import _multiarray_umath, overrides ImportError: libz.so.1: cannot open shared object file: No such file or directory The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/hagbard/.local/lib/python3.11/site-packages/numpy/__init__.py", line 112, in from numpy.__config__ import show_config File "/home/hagbard/.local/lib/python3.11/site-packages/numpy/__config__.py", line 4, in from numpy._core._multiarray_umath import ( File "/home/hagbard/.local/lib/python3.11/site-packages/numpy/_core/__init__.py", line 48, in raise ImportError(msg) from exc ImportError: IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE! Importing the numpy C-extensions failed. This error can happen for many reasons, often due to issues with your setup or how NumPy was installed. We have compiled some common reasons and troubleshooting tips at: https://numpy.org/devdocs/user/troubleshooting-importerror.html Please note and check the following: * The Python version is: Python3.11 from "/gnu/store/n8fxwzkq2bkg55p5s0x1largmmd1fyw4-python-3.11.11/bin/python3.11" * The NumPy version is: "2.3.2" and make sure that they are the versions you expect. Please carefully study the documentation linked above for further help. Original error was: libz.so.1: cannot open shared object file: No such file or directory The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/hagbard/.local/bin/piper", line 5, in from piper.__main__ import main File "/home/hagbard/.local/lib/python3.11/site-packages/piper/__init__.py", line 4, in from .voice import AudioChunk, PiperVoice File "/home/hagbard/.local/lib/python3.11/site-packages/piper/voice.py", line 13, in import numpy as np File "/home/hagbard/.local/lib/python3.11/site-packages/numpy/__init__.py", line 117, in raise ImportError(msg) from e ImportError: Error importing numpy: you should not try to import numpy from its source directory; please exit the numpy source tree, and relaunch your python interpreter from there.