problem installing and importing plateflex

[Khansaif1994]

I have tried many times ,following all the steps of installation,but the error after installation is "no module named plateflex",Again I tried installing by following steps"

Create the Conda environment with Python 3.8

conda create -n pflex python=3.8 -c conda-forge

Activate the environment

conda activate pflex

Install the individual packages with their specified versions

conda install -c conda-forge fortran-compiler=1.2.1
conda install -c conda-forge numpy=1.21.2
conda install -c conda-forge pymc3=3.10.0
conda install -c conda-forge matplotlib=3.4.3
conda install -c conda-forge seaborn=0.11.2
conda install -c conda-forge scikit-image=0.18.3
conda install -c conda-forge pandas=1.3.2
..Now m not able to install pymc3=3.10.0.Please help me for installation and correct importing of modules.I am using ubuntu 22.04.3.I am attaching the screenshot of the packages: