issues in ubuntu 20 and python 3.8

[johnfelipe]

sudo su
cd
apt install python3-pip
pip install streamlit
pip install streamlit --upgrade
pip install Jinja2==3
sudo apt install python3.8-venv
git clone https://github.com/josolnik/compfin_app
cd compfin_app/

python3 -m venv env
source env/bin/activate
pip install -r requirements.txt

pip install plotly
streamlit run app.py

but show me this in console

(env) root@felipe:~/compfin_app# streamlit run app.py

  You can now view your Streamlit app in your browser.

  Network URL: http://192.168.20.13:8502
  External URL: http://181.51.32.154:8502

2023-12-14 15:44:19.624 Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/streamlit/scriptrunner/script_runner.py", line 475, in _run_script
	exec(code, module.__dict__)
  File "/root/compfin_app/app.py", line 21, in <module>
	import utils_intro, utils_price_simulator, utils_risk_estimator, utils_portfolio_optimizer
  File "/root/compfin_app/utils_price_simulator.py", line 4, in <module>
	import plotly.graph_objects as go
ModuleNotFoundError: No module named 'plotly'