check_clang_tidy.py: Update run line to python3
authorNico Weber <thakis@chromium.org>
Fri, 3 Jun 2022 13:28:07 +0000 (09:28 -0400)
committerNico Weber <thakis@chromium.org>
Fri, 3 Jun 2022 13:28:09 +0000 (09:28 -0400)
commit88052fd241267a09a4e612505f589ae371b91398
tree59a4fcad6768878b6cf2fafa7b25775a24b08a88
parentaed179f5f557664d6deb26ef6fdc6aa944af41af
check_clang_tidy.py: Update run line to python3

`python` no longer exists on several systems, and the script
runs under python3 when run as part of lit.
clang-tools-extra/test/clang-tidy/check_clang_tidy.py