| Index: components/about_ui/PRESUBMIT.py | 
| diff --git a/components/about_ui/PRESUBMIT.py b/components/about_ui/PRESUBMIT.py | 
| index 469f90770159f681b15e86353abbc3a256b36af7..5b4c471b83b7725533f82b391c3052bd668d5bad 100644 | 
| --- a/components/about_ui/PRESUBMIT.py | 
| +++ b/components/about_ui/PRESUBMIT.py | 
| @@ -7,7 +7,7 @@ def _CommonChecks(input_api, output_api): | 
| results = [] | 
| try: | 
| import sys | 
| -    old_sys_path = sys.path | 
| +    old_sys_path = sys.path[:] | 
| cwd = input_api.PresubmitLocalPath() | 
| sys.path += [input_api.os_path.join(cwd, '..', '..', 'tools')] | 
| import web_dev_style.presubmit_support | 
|  |