python/tooling: Fix non-hermetic tool usage (#41782)

Signed-off-by: Ryan Northey <[email protected]>

Author: phlax

tools/code_format/check_format.py

@@ -29,6 +29,9 @@ def __init__(self, path: str, args, source_path) -> None:
         self.path = path
         self.args = args
         self.source_path = source_path
+        # This is also an ugly hack - we pull in these tools as python libs and
+        # and then execute them - without the following it tries to use host python
+        os.environ["PATH"] = f"{os.path.dirname(sys.executable)}:{os.environ['PATH']}"
 
     def __getitem__(self, k):
         return self.config.__getitem__(k)