fix for single line in gitlab yml

.gitlab-ci.yml

@@ -21,12 +21,11 @@ format:
     - julia -e 'using JuliaFormatter; format(".", verbose=true)'
 
   after_script:
-    - julia -e '
-          out = Cmd(`git diff --name-only`) |> read |> String
+    - julia -e 'out = Cmd(`git diff --name-only`) |> read |> String;
           if out == ""
               exit(0)
           else
-              @error "Some files have not been formatted !!!"
+              @error "Some files have not been formatted!"
               write(stdout, out)
               exit(1)
           end'