ModuleNotFoundError: No module named 'tortoise'

Describe the bug
Getting error :from tortoise.contrib.fastapi import HTTPNotFoundError, register_tortoise
ModuleNotFoundError: No module named 'tortoise'

but i already installed it in venv , first i was using python3.11, then I downgrade my Python and use python3.10 but i get the same error both time, after that i also checked may be some problems in my both Python so i comment out all tortoise code and try to run fastapi , its run successfully

Expected behavior
A clear and concise description of what you expected to happen.

Additional context
Add any other context about the problem here.
requirements.py
aiosqlite==0.17.0
anyio==3.7.0
fastapi==0.98.0
idna==3.4
iso8601==1.1.0
pydantic==1.10.9
pypika-tortoise==0.1.6
pytz==2023.3
sniffio==1.3.0
starlette==0.27.0
tortoise-orm==0.19.3
typing_extensions==4.7.0

Os Ubuntu 22.04

error: from tortoise.contrib.fastapi import HTTPNotFoundError, register_tortoise
ModuleNotFoundError: No module named 'tortoise'

Start with requirements.py and verify which Python interpreter and virtual environment are used when installing tortoise-orm versus running the failing import. Reproduce the reported from tortoise.contrib.fastapi import on Ubuntu with the listed Python and package versions; done requires a confirmed project-specific cause and a reproducible resolution.