update clang format

yedf2 · yedf2 · commit 88ddfc71ee02 · 2022-04-13T11:17:42.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -20,7 +20,7 @@ matrix:
 
       # Job2: This is the job of checking code style.
     - os: linux
-      dist: jammy
+      dist: focal
       env: LINT=1 PYTHON=2.7
       before_install:
         - sudo apt-get update
