Breakage in routing.py on django/main pre-5.1.

Breakage in routing.py on django/main pre-5.1.: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). In URLRouter. call () , match = route.pattern.match(path) is no longer matching.

The task

In `URLRouter.__call__()`, `match = route.pattern.match(path)` is no longer matching.

Part of keryszhan/harbor-swesmith-rl-artifacts.