[clang-tools-extra] [clang-tidy][NFC] fix add_new_check python3.8 incompatibility (PR #107871)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-tools-extra

Author: Congcong Cai (HerrCai0907)

<details>
<summary>Changes</summary>

Fixes: #<!-- -->107846


---
Full diff: https://github.com/llvm/llvm-project/pull/107871.diff


1 Files Affected:

- (modified) clang-tools-extra/clang-tidy/add_new_check.py (+2-2) 


``````````diff
diff --git a/clang-tools-extra/clang-tidy/add_new_check.py b/clang-tools-extra/clang-tidy/add_new_check.py
index d384dbae28abbc..e366f100535357 100755
--- a/clang-tools-extra/clang-tidy/add_new_check.py
+++ b/clang-tools-extra/clang-tidy/add_new_check.py
@@ -17,7 +17,7 @@
 import textwrap
 
 # FIXME Python 3.9: Replace typing.Tuple with builtins.tuple.
-from typing import Optional, Tuple
+from typing import Optional, Tuple, Match
 
 
 # Adapts the module's CMakelist file. Returns 'True' if it could add a new
@@ -511,7 +511,7 @@ def has_auto_fix(check_name: str) -> str:
 
         return ""
 
-    def process_doc(doc_file: Tuple[str, str]) -> Tuple[str, Optional[re.Match[str]]]:
+    def process_doc(doc_file: Tuple[str, str]) -> Tuple[str, Optional[Match[str]]]:
         check_name = doc_file[0] + "-" + doc_file[1].replace(".rst", "")
 
         with io.open(os.path.join(docs_dir, *doc_file), "r", encoding="utf8") as doc:

``````````

</details>


https://github.com/llvm/llvm-project/pull/107871