I install the flask library, and it installs normally without problems, but when I import it, I get an error as if it is not installed

Question

I install the flask library, normally in a virtual environment using pip install flask, it installs without problems, then when I import it using from flask import Flask, request, Response it tells me that flask could not be resolved as if was not installed. I already have the virtual environment active

Uninstall and install python and visual studio code

I checked the paths

I install the flask library, normally in a virtual environment using pip install flask, it installs without problems, then when I import it using from flask import Flask, request, Response it tells me that flask could not be resolved as if was not installed. I already have the virtual environment active