Description

Use get_session to replace the way to get the session when downloading

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Download problems no longer occur during long downloads
also can see my project tdl
modified pyrogram

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
• My changes generate no new warnings
• New and existing unit tests pass locally with my changes