[webkit-changes] [WebKit/WebKit] 797447: Fix error when PR number is None in DetermineLabel...

[Brianna Fan]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 79744779ccbb65a7642237c4e0e5e79585901689
      https://github.com/WebKit/WebKit/commit/79744779ccbb65a7642237c4e0e5e79585901689
  Author: Brianna <brianna.fan at gmail.com>
  Date:   2023-09-13 (Wed, 13 Sep 2023)

  Changed paths:
    M Tools/CISupport/ews-build/steps.py
    M Tools/CISupport/ews-build/steps_unittest.py

  Log Message:
  -----------
  Fix error when PR number is None in DetermineLabelOwner
https://bugs.webkit.org/show_bug.cgi?id=261527
rdar://115447713

Reviewed by Jonathan Bedard and Aakash Jain.

Updated property name and added error handling for empty PR numbers.

Canonical link: https://commits.webkit.org/267966@main