相关文章推荐
孤独的足球  ·  java - RoundingMode ...·  3 年前    · 
爽快的夕阳  ·  RxSwift学习-11-Scheduler ...·  3 年前    · 
豪气的红豆  ·  VScode ...·  3 年前    · 

Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community!

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

I can't tell for certain without examining your machine's current process list, but you may have an active process that is holding the lock to the SQLite database.

I've "locked" a database before and had to search down the errant process and terminate it before I could regain access.

Check this link out-- it's pretty old, but still relevant

https://github.com/coleifer/peewee/issues/154