Werk #8844: Fix TypeError when sorting view by some columns
| Component | User interface |
| Title | Fix TypeError when sorting view by some columns |
| Date | Aug 1, 2019 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk Version | 1.6.0b5 2.0.0i1 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
