Fix clang_tidy.py

Summary: Pull Request resolved: pytorch#13776 Differential Revision: D13002845 Pulled By: goldsborough fbshipit-source-id: 7b019a032680796cbb04f733b31749ef7c6abe54
orionr · Nov 9, 2018 · 09369fa · 09369fa
1 parent 79ceece
commit 09369fa
Showing 1 changed file with 3 additions and 1 deletion.
diff --git 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