update to fix test failuer

Author: shenxianpeng

cpp_linter_hooks/util.py

@@ -3,6 +3,7 @@
 import logging
 from typing import Optional
 
+from clang_tools.util import Version
 from clang_tools.install import is_installed as _is_installed, install_tool
 
 
@@ -24,7 +25,9 @@ def is_installed(tool_name: str, version: str) -> Optional[Path]:
         return path
 
     # also check using clang_tools
-    path = _is_installed(tool_name, version)
+    # let version be the user-input version (as a string)
+    parsed_ver = Version(version)
+    path = _is_installed(tool_name, parsed_ver)
     if path is not None:
         return Path(path)