Handle loop is closed

[lyf2000]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Documentation (typos, code examples or any documentation update)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Locally:

from asgiref.sync import async_to_sync
from aiogram import Bot



async_to_sync(Bot(TOKEN)).send_message(...). # ok
async_to_sync(Bot(TOKEN)).send_message(...). # error: Event loop is closed

Test Configuration:

• Operating System: Ventura 13.4.1
• Python version: 3.11

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

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