From 09369fa9d79b549e3502ec7bb25aa1daf3a11916 Mon Sep 17 00:00:00 2001
From: Peter Goldsborough <psag@fb.com>
Date: Fri, 9 Nov 2018 11:43:02 -0800
Subject: [PATCH] Fix clang_tidy.py

Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/13776

Differential Revision: D13002845

Pulled By: goldsborough

fbshipit-source-id: 7b019a032680796cbb04f733b31749ef7c6abe54
---
 tools/clang_tidy.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/clang_tidy.py b/tools/clang_tidy.py
index 242b7d07adbc0..23c3902faac1d 100644
--- a/tools/clang_tidy.py
+++ b/tools/clang_tidy.py
@@ -45,7 +45,9 @@ def run_shell_command(arguments):
     try:
         output = subprocess.check_output(arguments).decode().strip()
     except subprocess.CalledProcessError:
-        raise RuntimeError("Error executing {}: {}".format(" ".join(arguments), output))
+        _, error, _ = sys.exc_info()
+        error_output = error.output.decode().strip()
+        raise RuntimeError("Error executing {}: {}".format(" ".join(arguments), error_output))
 
     return output