Error while creating sample Dash application

Hi Team,
I have created the sample app.py script. When I run the script I am getting below error. I have executed all the previous commands correctly. Not sure what went wrong. Please help.

Traceback (most recent call last):
File "D:\avocado_analytics\venv\app.py", line 1, in
import dash
ModuleNotFoundError: No module named 'dash'

Very late to the party but it may be due to not having dash installed in your enviroment. Here's a guide: