Fix release link validations. (#4970)

utils/validate_release_links.py

@@ -87,13 +87,16 @@ def check_file(
  new_file_name = os.path.join(tempdir, os.path.basename(filename))
  with open(new_file_name, "w+") as new_file:
  # default to match everything if there is nothing in the ALLOW_LIST
- allow_list_pattern = ALLOW_LIST.get(filename, MATCH_ANY)
+ allow_list_pattern = ALLOW_LIST.get(filename, None)
  with open(filename) as f:
  for line in f:
  keep_line = True
  keep_line = not RELEASE_PATTERN.search(line)
  keep_line |= global_allow_pattern.search(line) is not None
- keep_line |= allow_list_pattern.search(line) is not None
+ keep_line |= (
+ allow_list_pattern is not None
+ and allow_list_pattern.search(line) is not None
+ )
 
  if keep_line:
  new_file.write(line)