snio89

**Describe the bug** The system stuck with the following repeated error just after starting the flower. I'm new to flower, and I first tried Celery 5.0.5 and Flower master version....

User custom filter: CSS selector "has()" does not work

3

### Prerequisites Please answer the following questions for yourself before submitting an issue. **YOU MAY DELETE THE PREREQUISITES SECTION.** - [O] I am running the latest version - [O] I...